In addition to the fact that you can listen to conversation when you dial the SIM card number, this device also has voice activation.
When activated by the sound it automatically selects a preset phone number which you can dial and listen to what's happening near the device.
Besides being a listening device it can also be used as an alarm system in your home.
Operating frequency 900, 1800 MHz.
Equipped with a condenser microphone.
Supports all kinds of GSM SIM cards.
Microphone range 20 meters diameter.
Operating temperatures -40 +50 degrees.
Standby time:
- 2 days (if using voice activation).
- Up to 3 days (if you do not use the voice activation).
When activated by the sound it automatically selects a preset phone number which you can dial and listen to what's happening near the device.
Besides being a listening device it can also be used as an alarm system in your home.
Operating frequency 900, 1800 MHz.
Equipped with a condenser microphone.
Supports all kinds of GSM SIM cards.
Microphone range 20 meters diameter.
Operating temperatures -40 +50 degrees.
Standby time:
- 2 days (if using voice activation).
- Up to 3 days (if you do not use the voice activation).
GSM listening device with voice activation (ID: B10)