![]() ![]() The answer here blames the GSM protocol and the fact 800 - 900 MHz signal interfers with the amplifier's structures. What exactly causes such interferences and why SMS and others are transmitted without such interference. I have Sony Xperia L now, but I could observe the interference with all phones I used to have (Philips Fisio, SonyEricsson K770i, Samsung Galaxy-Y.) and amplifiers (Old stereo, PC speakers). I have bluetooth, NFC, GPS and Wi-Fi on all the time. I can send/recieve SMS, e-mails and browse the internet using the phone. What makes me wonder is that this noise is generated only when I hang up the call and put the phone close the amp. The radi waves transmitted from the cell phone are strong enough to induce parasitic currents in the amplifiers circuits leading to the noise. ![]() I suspect the phone - transmitter negotiation is responsible for that. When I hang some call up and land the phone close to the amplifier the loud beeping noises started to burst from the speakers, something like the "modem calls" in the old ages of dial-up internet connection. Sometimes I put it ontop the amplifier, because it is pervecly alighed with the surface. NOISE MODE: In the noise mode the cellphone safe will suppress the mobiles microphone by producing an audio interference noise thus prevent anyone from listening in.I have an old Sony amplifier (TA-F117R) next to my desk where I keep my cell phone. You can choose from detect or noise modes when using this cellphone bug detector.ĭETECT MODE: In the detect mode the light indicator will alert you if the phone is transmitting any signal. Compatible with most types of smartphones and mobiles including: Iphone, Android, Windows, Blackberry, Samsung, Nokia, Galaxy and others.NG4000 Will Not block the mobile network in your local area.Long battery life of up to 5-15 days – (varying on usage).Automatically turns on when the mobile is placed inside the cell safe box and turns off when the mobile is removed.GSM Safe III can Find and Detect GSM signals such as : 900/1800, CDMA850, WCDMA2100 (3G, UMTS).Best illegal cellular eavesdropping prevention.Creates a static noise when radio waves are detected.Stops the person bugging your phone from listening in.Detects if your GSM cell phone is transmitting any signal.Advanced Cell Phone Detection and Security.Helps detect illegal activation of mobile phones.Protect your cellphone privacy with our completely covert cell phone safe. making or receiving calls or using the phones data would turn the device off. NOTE: Please be advised, that when using the GSM Safe 3 Cell Phone Safe product…. Used by business executives, law enforcement, detectives, lawyers, security experts and the general public who need Protection against Spy Phones or Prevention Against cellphone bugging or cellphone wiretapping. The cell phone safe was created as a method to protect persons from invasion of privacy from cell phone bugs, cellphone spyware, GSM bugs, cellphone spy software and other mobile spy programs online. There has been an increase in cellular phone spyware, Mobile Spy Apps, software and other technology and as a result, cellphone bugs have become more common than ever before. If your cellphone privacy is compromised, the GSM Safe 3 will alert you by lighting up an LED light and then immediately turn on the built in white-noise generator so the eavesdropper wont hear any of your private conversations.īugging a Cellphone has become an increasing threat to our privacy nowadays. After you place your cellphone inside our cell phone counter surveillance device you will confirm if your mobile phone is safe or not by automatically scanning for cellular signal transmissions. ![]() The CellPhone Safe has a built-in RF detector and noise generator, that will quickly turn on when the mobilephone is on. Easily Detect if your cell phone is bugged and generate white noise so all eavesdroppers hear is a static noise. The Cell Phone Safe helps protect cellphone from spyware, reprogramming, malicious smartphone attacks and cellphone eavesdropping. ![]()
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