This voice activated GSM bug has a voice activated function so when the bug detects a voice in the room where it has ben placed it calls you back so you can listen in to the conversations and room sounds!!!
The voice activated function can be turned on and off so the bug can also be used manually - by you calling the bug yourself at anytime to listen in.
This bug can work with GSM 900/1800Mhz and you can be a continent away from it and still be able to call it & listen in! Tri-Band system at 900/1800Mhz only (Not for 3G or CDMA phone network)
- Embedded condense microphone,
- All GSM SIM cards are compatible,
- Microphone range: about 20 Meters,
- Receiver sensitivity: -\+ 10K,
- Working temp: -40~50 degree C,
- Responding frequency: 1.2K~800Khz,
- Battery Standby time: 3-5 days,
- Size 43.2mm X 32mm X 13.6mm
- Weight: 30g
|Battery Life (Continuous Use)