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Spy Equipment Home - GSM Audio Listening Bug - GSM Audio Office Calculator with Sound Detection

GSM Audio Office Calculator with Sound Detection

GSM Audio Office Calculator with Sound Detection
£299.00(£358.80 incl VAT)
OUR PRICE: £175.00 (£210.00 incl VAT)
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GSM Office Calculator; with live room audio monitoring and sound detection

This GSM Office Calculator is another audio surveillance device; a unique product which delivers advanced audio technology to compliment any room or office environment.  Our GSM office calculator is completely undetectable even under close visual examination and can be used to operate as a fully functional desk style calculator.  Simply dial the supplied SIM card hidden inside the rear compartment thus allowing you to listen to the surrounding sounds and conversations from approx 15 feet radius from where the base is placed.


We have also pushed the boundaries in which the mouse will function by sending you a text message upon sound detection meaning you will be alerted to noises within that environment thus saving valuable time and calling expense.  The calculator will additionally also send you a text message if moved from its original position where you placed it meaning you know somebody is snooping around the area.

The GSM modem is also powered from an internal lithium battery should the mains supply be disconnected thus allowing you to still monitor the environment.  You will also receive a 'low battery' text message notification when the unit requires a reconnection to the mains.

Please Note:  Audio devices that are not receiving full power directly from a mains electrical supply are subject to conditions that will reduce the overall operating and standby times.  These include quality of battery, strength of the mobile operator network signal, distance to a GSM base station, interference from walls, metal grids and other radio interferences, temperature, humidity etc.
  • Fully functional office calculator 
  • Operates on the communications frequency -
  • Unlimited listening distance
  • Audio microphone - approx 15 feet
  • Sound detection feature
  • Movement detection feature
  • Low battery notification
  • Remote controlled via SMS commands
  • Supplied with GSM calculator, Vodafone SIM card and User Guide
  • Ideal to discreetly monitor the audio environment of your home / office for evidential purposes
Please Note:  Audio devices that are not receiving full power directly from a mains electrical supply are subject to conditions that will reduce the overall operating and standby times.  These include quality of battery, strength of the mobile operator network signal, distance to a GSM base station, interference from walls, metal grids and other radio interferences, temperature, humidity etc.
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