Database Users

any way to stop interference with radio?

So this might be a dumb question, but is there any way to keep the phone from interfering with a radio. I'm sure I'm not the only person who has this problem, and it can be pretty annoying if your listening to music while driving, or using the navigation, and it keeps popping and cracking due to interference from the phone. Will getting a newer head unit help this problem? I currently just use the stock head unit with a tape adapter, just because I never actually am listening to the radio, I use my phone for all of the audio. Also what about a car kit, as far as speaker phone?

hurrycaine3000 said:
So this might be a dumb question, but is there any way to keep the phone from interfering with a radio. I'm sure I'm not the only person who has this problem, and it can be pretty annoying if your listening to music while driving, or using the navigation, and it keeps popping and cracking due to interference from the phone. Will getting a newer head unit help this problem? I currently just use the stock head unit with a tape adapter, just because I never actually am listening to the radio, I use my phone for all of the audio. Also what about a car kit, as far as speaker phone?
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Click to collapse
Nothing you can really do about, unless you want to go through your entire audio system and replace wires with shielded wires. Not worth it at all. You just got to learn and live with the interference.

Can someone smarter than I please tell me if this could actually work. http://www.last.fm/group/iPhone/forum/56411/_/378865
for me to do this in my car I would have to pop out each speaker and attach a ferrite bead to the end of the speaker wire, but if it will actually work, seems like a pretty easy, and cheap fix.

might work, never tired that in that scenario, but they are designed to reduce noise. I was going to suggest replacing the wire with shielded as well. This used to be really bad with nextel phones, most stock vehicles get shielded wires now a days.

bofslime said:
might work, never tired that in that scenario, but they are designed to reduce noise. I was going to suggest replacing the wire with shielded as well. This used to be really bad with nextel phones, most stock vehicles get shielded wires now a days.
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Click to collapse
95 Chevy pickup. no shielded wires in there.

hurrycaine3000 said:
So this might be a dumb question, but is there any way to keep the phone from interfering with a radio. I'm sure I'm not the only person who has this problem, and it can be pretty annoying if your listening to music while driving, or using the navigation, and it keeps popping and cracking due to interference from the phone. Will getting a newer head unit help this problem? I currently just use the stock head unit with a tape adapter, just because I never actually am listening to the radio, I use my phone for all of the audio. Also what about a car kit, as far as speaker phone?
Click to expand...
Click to collapse
It looks like your on ATT so you're running on edge. This is a problem with edge but not with 3g because of how the radio transmits packet data. You can get rid of the interference by using T-Mobile and there will be no interferece wherever you have 3g signal.

nexusonetwothree said:
It looks like your on ATT so you're running on edge. This is a problem with edge but not with 3g because of how the radio transmits packet data. You can get rid of the interference by using T-Mobile and there will be no interferece wherever you have 3g signal.
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Click to collapse
I live in York, PA. if you're wondering where that is, so is t-mobiles 3g coverage. I'm not sure when we can expect t-mobile to get here with their big 3g rollout. I think we are lucky if we have edge on t-mobile in this area. I don't need t-mobile's 3g to be any faster, I just need it to get here first.

nexusonetwothree said:
It looks like your on ATT so you're running on edge. This is a problem with edge but not with 3g because of how the radio transmits packet data. You can get rid of the interference by using T-Mobile and there will be no interferece wherever you have 3g signal.
Click to expand...
Click to collapse
That explains why my old iphone 2G was so horrible for interfering with electronics. I thought at the time it just had poor shielding... nice to know so I can avoid the problem should it hit in the future.

hurrycaine3000 said:
So this might be a dumb question, but is there any way to keep the phone from interfering with a radio. I'm sure I'm not the only person who has this problem, and it can be pretty annoying if your listening to music while driving, or using the navigation, and it keeps popping and cracking due to interference from the phone. Will getting a newer head unit help this problem? I currently just use the stock head unit with a tape adapter, just because I never actually am listening to the radio, I use my phone for all of the audio. Also what about a car kit, as far as speaker phone?
Click to expand...
Click to collapse
Try turning your phone 90 degrees in either direction. GSM phones interfere with my computer speakers when in one orientation, but not when I turn them 90 degrees.

So, the FM radio can't be made to work?

Please forgive me/move thread if this is the inappropriate forum. I couldn't decide for 10 minutes, so I decided to go with the dev forum.
The FM radio: Is it going to be impossible to get it working on the N1? From what I understand the current state of play, devs have got the app working, it scans and finds stations, but it's as though the audio lines are physically not connected up (is this accurate?).
Could it be a limitation of the Alpha status of the Desire ROM being examined?

i think it is radio's fault
if google give us a new radio with fm and maybe some extra mb ram it will work just fine

eesmm said:
Please forgive me/move thread if this is the inappropriate forum. I couldn't decide for 10 minutes, so I decided to go with the dev forum.
The FM radio: Is it going to be impossible to get it working on the N1? From what I understand the current state of play, devs have got the app working, it scans and finds stations, but it's as though the audio lines are physically not connected up (is this accurate?).
Could it be a limitation of the Alpha status of the Desire ROM being examined?
Click to expand...
Click to collapse
I'm pretty sure the N1 doesn't have an FM receiver in it.
And if you don't have the hardware, you don't have the hardware. Software can't magically make up for it.
It'd be like trying to get an FM signal out of a toaster.

Paul22000 said:
I'm pretty sure the N1 doesn't have an FM receiver in it.
And if you don't have the hardware, you don't have the hardware. Software can't magically make up for it.
It'd be like trying to get an FM signal out of a toaster.
Click to expand...
Click to collapse
It has the hardware...there is a Gizmodo (think it was them) teardown of N1. Discusses the FM capabilities. Also...Desire and N1 have same hardware on the inside (different trackball feature and buttons..but the same). There are posts around the forums confirming this by Modaco and some others.
http://www.engadget.com/2010/01/06/nexus-one-teardown-reveals-possible-802-11n-radio-and-fm-transmi/ was Ifixit.com, reported on engadget

Paul22000 said:
I'm pretty sure the N1 doesn't have an FM receiver in it.
[...]
Click to expand...
Click to collapse
The Nexus One features a Broadcom BCM4329 chipset with "IEEE 802.11 a/b/g/n system (MAC/baseband/radio) with Bluetooth® 2.1 + EDR (Enhanced Data Rate), and FM radio receiver and transmitter" (according to Broadcom's product page).
It may not be fully connected up, or it may just be a software issue (hence my asking in this thread) but the hardware is in there.

eesmm said:
The Nexus One features a Broadcom BCM4329 chipset with "IEEE 802.11 a/b/g/n system (MAC/baseband/radio) with Bluetooth® 2.1 + EDR (Enhanced Data Rate), and FM radio receiver and transmitter" (according to Broadcom's product page).
It may not be fully connected up, or it may just be a software issue (hence my asking in this thread) but the hardware is in there.
Click to expand...
Click to collapse
What we need is the Desire's completed ROM, and might need it's headphone with built in FM receiver as well. When yo utry and open the FM radio app, it asks you to insert headphones with a FM receiver... well, some have tried and get it to lock on stations, but no sound. Which seems to mean it is a lack of a completed ROM/app, not hardware.

It's possible we may never get this feature working. Not a big deal to me, though. Pandora works fine!

pjcforpres said:
What we need is the Desire's completed ROM, and might need it's headphone with built in FM receiver as well. When yo utry and open the FM radio app, it asks you to insert headphones with a FM receiver... well, some have tried and get it to lock on stations, but no sound. Which seems to mean it is a lack of a completed ROM/app, not hardware.
Click to expand...
Click to collapse
The headphones don't have the receiver in it. it simply uses the headphone cable as an Antenna just like the iPod Nano's built in radio.

pjcforpres said:
What we need is the Desire's completed ROM, and might need it's headphone with built in FM receiver as well. When yo utry and open the FM radio app, it asks you to insert headphones with a FM receiver... well, some have tried and get it to lock on stations, but no sound. Which seems to mean it is a lack of a completed ROM/app, not hardware.
Click to expand...
Click to collapse
any headphone can act as radio antenna...at least it works in nokia symbian phone. no need to use specific headphone.

faizalmzain said:
any headphone can act as radio antenna...at least it works in nokia symbian phone. no need to use specific headphone.
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Yes and no... if the chip set itself has FM, which the Nexus seems to have, then this is true. But for many "dumb" phones it is the head set itself. This is why I said may need the Desires headphones, and then went on to say it seems more like a lack of a completed ROM/app, since you can tune, just no sound.

would love to see FM radio working on my N1

zmalach said:
would love to see FM radio working on my N1
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Click to collapse
+1... BUMP. And for all of you saying "why would you listen to FM radio? Pandora is way better" there is one show in particular here in town that I can only either stream over the internet (requires flash) or listen on the radio that would be kickass if I could catch over FM on my phone. If i want to listen to music then FM radio is definitely the last place I'll go lookin....

teleknEsis said:
+1... BUMP. And for all of you saying "why would you listen to FM radio? Pandora is way better" there is one show in particular here in town that I can only either stream over the internet (requires flash) or listen on the radio that would be kickass if I could catch over FM on my phone. If i want to listen to music then FM radio is definitely the last place I'll go lookin....
Click to expand...
Click to collapse
That's a good point.

Exactly why I have my ipod Nano..

KEVIN AND BEAN!! I MUST LISTEN TO YOU... oh yea and loveline... only reasons I would want an FM radio...

teleknEsis said:
+1... BUMP. And for all of you saying "why would you listen to FM radio? Pandora is way better" there is one show in particular here in town that I can only either stream over the internet (requires flash) or listen on the radio that would be kickass if I could catch over FM on my phone. If i want to listen to music then FM radio is definitely the last place I'll go lookin....
Click to expand...
Click to collapse
not available in the UK though.

i hope we can tune in on FM soon....

I'm not sure I would use the FM radio every day, sure, but it's an important feature nonetheless. For fast local news with minimal battery drain there's nothing like having a radio handy.
Many of the on-line radio services are great/better, but require you to use precious data bandwidth, and I resent that. I don't like the idea of my phone being a gateway for the phone company to make more money off me. I spend most of my life within wifi hotspots, and use the cellular web service as little as possible. Apps, audio books, and presynched RSS feeds can pass the remaining time.
For example, I was shopping for an iPhone in the final months of '09, and the cell companies all offered to "unlock" the GPS function of the iPhone "for three months for free". Hang on, I asked, the iPhone has its own GPS, so why a) would I need them to "unlock" the capability and b) I would have to pay for my own GPS after the first three months? I learned that, while the GPS coordinates come for free, the maps are the domain of the cell company. Screw that.
One of the best features of the N1 is the built-in Google maps, and while I might be willing to pay one-time for TomTom maps or software (the best GPS OS imho) but pay every month forever, no way.

FM Transmitter/Receiver Broadcom BCM4329EKUBG

I was trying to do a little research in to if I could get the FM transmitter/reciever to work or if it would be even possible. A little google searching around I found this. And the person who had been doing the most work on that part of android was an actual broadcom employee. So I sent him a quick, polite email asking him about FM support in the Nexus one. It is as follows:
"Mr. Harte,
I noticed your commits here. Will Broadcom provide support/drivers for the FM transmitter/receiver in the Nexus One and other Android devices?
Sincerely,
Will"
And his surprisingly helpful and quick response:
"Hello,
The FM receiver is supported in the HTC Incredible and HTC EVO 4G. I’m not sure if the Nexus One hardware supports FM. The 4329 chip has FM, but I don’t know if the external components required for the FM Antenna are populated on the board. I believe there is also some work needed in the kernel to enable the audio path for FM, but if/when HTC open-sources the kernel for the EVO or Incredible, this should be evident. Also, the EVO and Incredible use the Broadcom Bluetooth stack, while the Nexus One uses BlueZ. I don’t think there is any support in BlueZ for FM. I have no idea about FM Transmit, but I would highly doubt it is possible to get that to work…
-Howard"
That makes me sad but at least now I know. Hopefully though this will provide some light to any crafty developers interested tinkering with this.

Shorthand.
Even if the hardware says fm/transmit/receive, we would have to solder, replace the bluetooth stack, and possibly replace the chip firmware to get it to work.
Short, short hand.. NO FM on nexus one.

No really, somehow he neglected to mention the sister Desire.

Regarding the antenna portion, it's been proven that the nexus can find stations. . .just not output any sound from them.

Mi|enko said:
Regarding the antenna portion, it's been proven that the nexus can find stations. . .just not output any sound from them.
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I do remember reading about that. Can you find the source? If thats true, then we know the only problem is the stack.

williamthrilliam said:
I do remember reading about that. Can you find the source? If thats true, then we know the only problem is the stack.
Click to expand...
Click to collapse
Check the notes from Modaco's Desire ROM port. I think it's there. But since FM radio is analog, there may be a lot more to it than a stack.

attn1 said:
Check the notes from Modaco's Desire ROM port. I think it's there. But since FM radio is analog, there may be a lot more to it than a stack.
Click to expand...
Click to collapse
Yup, his bluetooth doesn't work because he is using the Nexus One kernel. Well, we now know what part of the kernel isn't allowing the bluetooth to work; Bluez vs the Broadcom Stack. I don't know the legal implications of using it, but it seems like it would be possible.

Devastatin said:
Shorthand.
Even if the hardware says fm/transmit/receive, we would have to solder, replace the bluetooth stack, and possibly replace the chip firmware to get it to work.
Short, short hand.. NO FM on nexus one.
Click to expand...
Click to collapse
Patently FALSE.
All we need is a kernel with FM support and the FM driver. Receive is definitely possible.
I do believe however that the power amplifier chips for transmitting are absent, so that won't be a possibility.

williamthrilliam said:
Yup, his bluetooth doesn't work because he is using the Nexus One kernel. Well, we now know what part of the kernel isn't allowing the bluetooth to work; Bluez vs the Broadcom Stack. I don't know the legal implications of using it, but it seems like it would be possible.
Click to expand...
Click to collapse
Getting an analog tuner that isn't connected to anything to tune is not much help. I don't care what software you write, if there is no output to be captured, it's not going to happen. It's like a cable box with no television connection. It tunes just fine. If the rest of the connecting hardware is there, then there's a shot. But Google has never said there would be FM in the Nexus One at any point. I am less than optimistic.
GldRush98 said:
Patently FALSE.
All we need is a kernel with FM support and the FM driver. Receive is definitely possible.
Click to expand...
Click to collapse
That still has not been determined.

or you can go to your favorite radio station's website and click on "listen in" or whatever and now your listening to FM on your phone. =D
or maybe not, thats how it works on my pc..

i dont understand what the bluetooth has anything to do with this? why does it matter the blueZ vs broadcom bluetooth hardware? it sounds like the fm radio portion is there and can even pick up stations with an antenna, just routing the audio. but that doesnt need to happen thru bluetooh, it could happen through the headset or loudspeaker.

RogerPodacter said:
i dont understand what the bluetooth has anything to do with this? why does it matter the blueZ vs broadcom bluetooth hardware? it sounds like the fm radio portion is there and can even pick up stations with an antenna, just routing the audio. but that doesnt need to happen thru bluetooh, it could happen through the headset or loudspeaker.
Click to expand...
Click to collapse
The Broadcom BCM4329EKUBG has all of these functions built in. FM, 802.11, bluetooth.
http://www.broadcom.com/products/Bluetooth/Bluetooth-RF-Silicon-and-Software-Solutions/BCM4329

RogerPodacter said:
i dont understand what the bluetooth has anything to do with this? why does it matter the blueZ vs broadcom bluetooth hardware? it sounds like the fm radio portion is there and can even pick up stations with an antenna, just routing the audio. but that doesnt need to happen thru bluetooh, it could happen through the headset or loudspeaker.
Click to expand...
Click to collapse
The bluetooth/fm/wifi are all on one chipset.

ChillRays said:
or you can go to your favorite radio station's website and click on "listen in" or whatever and now your listening to FM on your phone. =D
or maybe not, thats how it works on my pc..
Click to expand...
Click to collapse
For the most part yes (esp. with those of us with froyo and flas ). But what made me start searching for this was a tornado that past by me by only a few miles. I luckily was in the car and able to tune in to a station broadcasting the Emergency Broadcasting Systems's message, but I thought it would be nice to be able to do that on my phone.

RogerPodacter said:
i dont understand what the bluetooth has anything to do with this? why does it matter the blueZ vs broadcom bluetooth hardware? it sounds like the fm radio portion is there and can even pick up stations with an antenna, just routing the audio. but that doesnt need to happen thru bluetooh, it could happen through the headset or loudspeaker.
Click to expand...
Click to collapse
Integrated circuits perform multiple functions. That broadcom chip could do a lot more than blue tooth. FM is analog. If all you have is the tuner and there is no connecting hardware, then yeah, you receive a signal, but it's going nowhere. If you can't capture the output, you can't use it. Do we know if the FM radio signal in the Desire is ever digitized? It could work like a regular FM radio and the digital/software part is for tuning purposes only and radio itself is analog. I read somewhere is that the HTC FM radios require wired headset use - and don't play back through blue tooth. Irony there, I think. Speculation is that is because they are used for an antenna, but I think it could also be that it's because it's an analog output. I am guessing the N1 is missing all the required circuits - except the tuner.

attn1 said:
Integrated circuits perform multiple functions. That broadcom chip could do a lot more than blue tooth. FM is analog. If all you have is the tuner and there is no connecting hardware, then yeah, you receive a signal, but it's going nowhere. If you can't capture the output, you can't use it. Do we know if the FM radio signal in the Desire is ever digitized? It could work like a regular FM radio and the digital/software part is for tuning purposes only and radio itself is analog. I read somewhere is that the HTC FM radios require wired headset use - and don't play back through blue tooth. Irony there, I think. Speculation is that is because they are used for an antenna, but I think it could also be that it's because it's an analog output. I am guessing the N1 is missing all the required circuits - except the tuner.
Click to expand...
Click to collapse
This is true of the Touch Pro hardware at least. The FM Radio wouldn't function with out the headphones plugged in. It used the headphone wire as the antenna.

there is a great thread going in the nexus development area where some people are trying to write the kernel so that the sound has an output. It sounds like they are making great progress maybe anyone reading this thread who has some technical skills can help. I believe they too have been able to tune the phone to a station but not output the sound yet.

It seems to me we need definitive answers to the following 2 questions from HTC / Google ...
Q1. Does the nexus one have the necessary hardware and interconnections for FM radio reception and output through either the speaker or headphones. YES/NO?
Q2. Does the nexus one have the necessary hardware and interconnections for FM radio transmission of any type (music / voice). YES/NO?
If both answers are a definitive NO, we can move on. If there is a YES then the clever people here, who make the magic happen, have some hope of success.
Does anyone know the correct ppl at HTC / Google to ask these questions of?

I don’t have anything to add but would like to encourage you guys in your endeavour to get FM radio working on the N1 and also point you too or remind you what androidpolice reported at Google I/O
If this is true then perhaps all the building blocks are in place.
http://www.androidpolice.com/2010/0...nity-as-our-best-bet-post-google-io-coverage/

sd00 said:
It seems to me we need definitive answers to the following 2 questions from HTC / Google ...
Q1. Does the nexus one have the necessary hardware and interconnections for FM radio reception and output through either the speaker or headphones. YES/NO?
Q2. Does the nexus one have the necessary hardware and interconnections for FM radio transmission of any type (music / voice). YES/NO?
If both answers are a definitive NO, we can move on. If there is a YES then the clever people here, who make the magic happen, have some hope of success.
Does anyone know the correct ppl at HTC / Google to ask these questions of?
Click to expand...
Click to collapse
Or maybe we just need to think and use the info that we have in other threads on the subject. But I'll repeat things written in another thread, by myself and other guys:
Q1. Broadcom chip brief (the best doc available for it on the net) clearly shows the radio having no separate connections but using BT's high speed UART and I2C. The interconnects are the same, and since Paul's Desire port has radio control working - that means I2C is working too, so the answer is YES.
Q2. The stated output power of the chip is good enough for short-range transmission w/o a dedicated antenna, using headphone cord. The control and data are given in the same way as in Q1. So, the answer is YES again, but with more trouble - while there is a working device utilizing FM receiver functionality, which can at least theoretically be ported completely using its source, there is no device with FM transmitter, which means - if someone wants to use transmitter, that someone needs to acquire specific Broadcom documents for the chip.
So I guess the thread can be laid to rest, and anyone that can really help - for example, to go over Desire source and figure out the correct setting for QSD UART to receive FM audio and the procedures to stream it to the speaker - are welcome to head over to Dev section.

Need Develpoer!!Running Radio With Out Headset

Hi guys
we knows that we have to but our headset to run the Radio because it is working as antenna! but if we have a good signal we dont require headset can some one make it working without a headset?

How you come to the conclusion it will work without antenna?

Haha lol. You want the impossible. Maybe you could also find a developer to transform your mobile into an airplane our something like that.
Sent from my GT-I9000 using XDA App

alfrqan said:
Hi guys
we knows that we have to but our headset to run the Radio because it is working as antenna! but if we have a good signal we dont require headset can some one make it working without a headset?
Click to expand...
Click to collapse
take your home radio. cut the antenna. do you think you will get ANY reception? the error in your thought is that you obviously think that the headset cable is just to improve reception and that the phone's internal antenna is also for radio reception but you are wrong. it won't work!

the solution is an internet radio app

It works instead! I tried it with a single connector without any cable on it and it worked. Don't know though if you could bypass that problem by software programming or if you need to do some hardware modification
Sent from my GT-I9000 using XDA App

https://github.com/CyanogenMod/android_packages_apps_FM

jodue said:
take your home radio. cut the antenna. do you think you will get ANY reception?
Click to expand...
Click to collapse
Yes, of course, I can easily remove antennaz in many radios at home ( unscrew the antenna) and that work nice, even if there is more noise

FadeFx said:
How you come to the conclusion it will work without antenna?
Click to expand...
Click to collapse
And how have you come to the conclusion it won't work without antenna ?
A question can be asked two ways, so always back your end up with facts.
As for the OP, its a legitimate question, one that needs some baksmali/smali edits to the radio app in order to make it think the head phone is connected.

Lol
at leats some one understand me
thankx ''profete162 '' and ''Daneshm90 ''
so any idea from where i can change the values so i can run radio without headset even with noise at least it will work
i am noob in programming

On my old Sony Ericsson K800i, with a patch applied to remove the headset requirement, the radio would work absolutely fine when the headset connector was held in the vicinity of a large metal object (didn't have to be touching), so there is every chance this could work.

Darkimmortal said:
On my old Sony Ericsson K800i, with a patch applied to remove the headset requirement, the radio would work absolutely fine when the headset connector was held in the vicinity of a large metal object (didn't have to be touching), so there is every chance this could work.
Click to expand...
Click to collapse
Waw
Good News
i hope someone can do it

Up....
need someone to make patch to able the radio in SGS work without headset.

it will work without anntena, signal should be good enough. btw its basic physics, a antenna like the headphone will give u max 3 dBi , which is not that much (Google dipole anntena) compared to the signallevels u normally encounter.
Sent from my GT-I9000 using XDA App

Listening device using phone(s), Bluetooth, headset, FM Radio

How could one use a cell phone(s) to listen in on their office when off premise. For instance-A phone with ringer turned off & auto answer where a phone will answer after a set amount of silent rings-3, 5, 10 etc. Or could Bluetooth be used if someone was only 15 feet away & again an auto answer scenario/setting. Sometimes a headset is supposedly needed & has to be plugged into achieve this effect & would use the Michael in the headset for listening. Any hardcore mods would be OK that may require soldering, micro soldering, extra parts, rehousing phone in different case, programs etc. Also, If anyone knows of any Java options/programs or anything that would need a cable & software would be fine too. Yeah, An older Java type track phone would be great-But Android, Windows Mobile etc. would be fine. Or would a website work for 2.4 ghz fine tuned to the device & have it bookmarked on a browser on an android phone device for quick access but prob limited range unless there is a site you can buy a page for your special needs-Or what aouta scanner site like radio reference?. Also is there anyway to listen to the audio portion of 2.4 ghz The portion of the band used for security cameras etc. Audio would be fine-Video a bonus. Bluetooth operates somewhere in the 2.4 ghz band as well. Some phones have FM radio but that would require a major overhaul_basically starting over as the system is not set up for a FM transmitter-But it could be done. I've seen devices that use a sim card like a computer mouse that works/acts like any mouse but uses a GSM sim card-So, One calls the number assigned to the sim & gets full audio of the room with no distance limitations-But many have the disclamer "Does Not Work In USA Or Canada" Most say this-But not all. I'm wondering if this is for legal reasons & more of a formality than reality as I had a similar situation before. What would be the best GSM sim do you all think would be best? Also a finished modded unit would be fine too-But really need the reciever to be a phone-Of any type. Let me know. Thanx.
PS-I'll share results answers, PM's with anybody who asks.
Saw a phone modded & done for sale by an outfit in England for about $1,500 that was amazing. Did way more than I needed-But maybe at a later date etc. $1,500 is way out of budget-But zi'm realistic & not cheap for what I need. Prob a $300/cap.
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bigthunder1 said:
How could one use a cell phone(s) to listen in on their office when off premise. For instance-A phone with ringer turned off & auto answer where a phone will answer after a set amount of silent rings-3, 5, 10 etc. Or could Bluetooth be used if someone was only 15 feet away & again an auto answer scenario/setting. Sometimes a headset is supposedly needed & has to be plugged into achieve this effect & would use the Michael in the headset for listening. Any hardcore mods would be OK that may require soldering, micro soldering, extra parts, rehousing phone in different case, programs etc. Also, If anyone knows of any Java options/programs or anything that would need a cable & software would be fine too. Yeah, An older Java type track phone would be great-But Android, Windows Mobile etc. would be fine. Or would a website work for 2.4 ghz fine tuned to the device & have it bookmarked on a browser on an android phone device for quick access but prob limited range unless there is a site you can buy a page for your special needs-Or what aouta scanner site like radio reference?. Also is there anyway to listen to the audio portion of 2.4 ghz The portion of the band used for security cameras etc. Audio would be fine-Video a bonus. Bluetooth operates somewhere in the 2.4 ghz band as well. Some phones have FM radio but that would require a major overhaul_basically starting over as the system is not set up for a FM transmitter-But it could be done. I've seen devices that use a sim card like a computer mouse that works/acts like any mouse but uses a GSM sim card-So, One calls the number assigned to the sim & gets full audio of the room with no distance limitations-But many have the disclamer "Does Not Work In USA Or Canada" Most say this-But not all. I'm wondering if this is for legal reasons & more of a formality than reality as I had a similar situation before. What would be the best GSM sim do you all think would be best? Also a finished modded unit would be fine too-But really need the reciever to be a phone-Of any type. Let me know. Thanx.
PS-I'll share results answers, PM's with anybody who asks.
Saw a phone modded & done for sale by an outfit in England for about $1,500 that was amazing. Did way more than I needed-But maybe at a later date etc. $1,500 is way out of budget-But zi'm realistic & not cheap for what I need. Prob a $300/cap.
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im pretty sure any kind of phone taps and such like that is probably illegal.

Illegal in (most) countries. And unethical.
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