Gsm sim card 2-way audio voice monitor surveillance
This is Quardband Mirco Audio Bugs, Remote Surveillance Listening Device
Example: If you are not home, someone goes to your room with noise, you will be alerted at once through your phone!
Two-way mode sound activated GSM voice bug with Call back function /listening device/audio monitoring
turn on/turn off call back function by mobile's SMS only
Unlimited distance & cross-over countries, only if there is GSM singal !
Remind: Your GSM Sim card MUST BE UNLOCK fromPINNUMBER (you can check it from your mobile carrier)
The unit does not support 3G /4G sim card, it uses 2G GSM sim card only
The auction is NOT included Sim Card! You can buy it from local mobile carriers, or using your existing one
This two way GSM audio spy device calls you from anywhere in the world when it detects sounds around its vicinity. How awesome is that? Simply insert a GSMSIMcard and program it to your desired phone number for call back and start doing your spy business from anywhere in the world!
Trying to find out the truth about what's being said behind your back? Now you can and from anywhere in the world. You can even place several N9 spy audio devices and set them up at your desired locations like your bedroom, living room, conference room or office. Just insert aSIMcard into the audio spy device, send a text message containing the activation word, followed by your cell phone number from your mobile phone, then your bug is active and ready for action! Then your bug is active and ready for action! The product that supports the four global standard GSM frequencies (Quard-band 850MHz, 900MHz, 1800MHz & 1900MHz), so you can be confident of it working mostly place in the world. ) ,It can only support GSM sim card, not support 3G/4G/CDMA.
This two-way audio spy device comes with a manual switch located next to theSIMcard slot. Switching ITEM DESCRIPTION to option (A) only allows you to call the spy audio device and listen in to conversations that are being detected. Option (B) allows the spy audio device to call you when it detects sounds, or if people are talking, while still allowing you the freedom to call the device and listen in to who's talking.
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