Features of GSM Box
- Two way covert communication via mobile phone networks
- Optimized inductive coil creates strong power for earpiece
- Works with earpeice within 50 cm
- Built-in top sensitive 38dB microphone to pick up whisper voice
Working Principles of GSM Box
- The new developed GSM box has a build-in dual band GSM module thatworks in both of GSM900MHz and GSM1800MHz mobile phone networks.
- Once insert a GSM SIM card and turn on the power, it willautomatically pick-up calls from any mobile phone or telephone. Thepowerful inductive coil will creat strong signals to drive earpieceswithin 50cm distance.
- One pc 35db top sensitive microphone ensures your partner hear thewhisper voices, even the GSM box is hidden under the clothes.
- The mute button allows you to cut off audio output signals to avoidearpiece detectors. Press the mute button again and it will be back tophone conversation model.
- GSM box has a built-in rechargeable 900mAh battery.It supports 4 hours talking time.Full recharge takes 4 hours.
Package includes:
1* GSM Box, 1* Power Adaptor , 1* Recharge Cable
Product Specification:
Frequency Range | GSM 900MHz and GSM 1800MHz |
Transmit Range | to earpiece < 50cm |
Integrated Microphone | 38dB |
Battery Type | 900mah lithium rechargeable battery |
Battery Life | Talking time 4 hours / Standby 300 hours |
Product Dimension / Weight | L57 x W37 x H17mm |
*CAUTIONS*
1) It can not be used in American countries where there is no GSM900/1800 mobile phone networks.
2) Can not be used in Syria, India and other countries that have special requirement on IMEI numbers.
2) Can not be used in Syria, India and other countries that have special requirement on IMEI numbers.
