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Calculator Covert GSM Listening Device

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Quick Overview

Calculator covert GSM listening device Disguised as a calculator. The use of calculators can be normal. Easy to operate, just install SIM card and play.

Calculator Covert GSM Listening Device

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Calculator covert GSM listening device:

Product Number: GSM11


  1. Calculator GSM listening device.
  2. Disguised as a calculator, and the use of calculators is normal.
  3. Built in adjustable sensitivity voice active microphone.
  4. Built in High sensitivity monitoring amplifier microphone
  5. Built in phone number filter function, other phone will not allowed to monitoring.
  6. Can used SMS to activate or deactivate sound active mode.
  7. Built in shock alert active function, will call and send SMS when detect shock alert.
  8. Easy to operate, just install SIM card and SMS setting for all function modes
  9. Built in rechargeable polymer LIION battery.

Voice sensitive: -75db  
GSM band module: 900/1800/1900 
Standby power consumption: 6mAh 
Working power consumption: 280mAh 
Power: 3.7V 280mA 
Stanby time: Up to 35days 
Charger power: 5VDC at 500mA 
Dimension: 200x160x50mm 
Package Content:
1 x GSM Calculator GSM listening device
1 x USB Cable

Additional Information

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