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GSM Double Plug Adapter

Product Code GSM7

Our most popular mains-powered listening device. A fully-functional mains double plug adapter with a powerful GSM audio unit and built-in microphone – Now has optional voice activation.

Product Code
GSM7

£ 222.00 Incl. VAT£ 185.00 Excl. VAT

or 3 interest-free instalments for orders over £ 140.00 by
Order in the next hours for expected UK delivery before 18:00 on Tuesday 19th October

This is a fully working double plug adapter that conceals a GSM unit capable of receiving covert calls to allow real time audio monitoring. This harmless looking adapter is perfect for both home and office application as it will blend in to it’s surroundings seamlessly.

Mains Powered – Totally Discreet in Operation

The GSM Double Plug Adapter can be simply plugged into any ‘live’ style mains socket available to remain permanently powered, waiting for you to call in at anytime, from anywhere. The SIM card inserted inside the double adapter can be called from any phone, so no other specialised equipment is needed to make it work. This listening device will not make any sound or give any indication as to what is happening, but will simply auto-answer the call and activate the very sensitive microphone enabling you to hear what is going on around it.

Excellent Crisp Microphone – Wide Listening Radius

The superb microphone in this GSM listening bug is powerful enough to pick up normal speech level sounds within a radius of up to 8 metres (25 feet) of the device. This means that even if the unit was plugged in under a desk or tucked out of sight, it would still very easily be able to pick up on sounds in the room that it has been placed. With incredibly crisp, clear audio you won’t miss a word whether its checking that your staff are not messing about or checking the mother-in-law isn’t being too soft on the kids.

All Sockets are Fully Functional – Many Deployment Options

Both of the two sockets on the double adapter function as normal, which means that two other mains powered devices can be powered, essentially putting the GSM Double Plug Adapter completely ‘above suspicion’. Double Adapters are in common use both at home, in the office or maybe the workshop. Maybe there is an existing adapter that can be swapped out for the GSM version or there maybe an opportunity to plug in the GSM Double Adapter in a position behind a cupboard or shielded from view under a table or desk. One way or another, as long as the adapter is plugged in and getting power then it will surely be discreet enough to blend in.

Listening-in Without Limitations

There is no limitation on the distance from which you can call the device because in reality it is just like calling another mobile phone. You will not need any credit on the SIM card within the unit to be able to listen-in, so there is no absolute need to use a contract SIM or add credit to the Prepay SIM that is in the device (some charges may apply if you call in from an international phone). However, if using a Prepay SIM card it is worthy of note that the SIM network supplier may choose to turn off the SIM after a period of time because they are simply not making any money from its usage. In this scenario you will need to swap out the SIM for a new one. Considering it’s ease of use and deployment opportunities, it’s easy to see why this product is our most popular mains power GSM bug.

  • Standard double plug adapter cleverly fitted with smart GSM module
  • Unlimited surveillance distance – dial in and listen from anywhere in the world.
  • Fully functional UK double mains adapter – will power other devices from all sockets
  • Mains power supply – input 200-240V AC
  • Quad-band GSM 850Mhz, 900MHz, 1800Mhz or 1900MHz
  • Microphone – ported electret-condenser with FET amplifier
  • Audio processor – built in digital sound processor
  • System control – RISC based micro-controller
  • GSM antenna – internal
  • Supplied with a UK SIM card, but should be changed to international SIM for country of deployment
  • This unit should accept any standard size active SIM card from any country
  • Audio capture distance for normal level speech of up to 8 metres (25 feet) radius

Will this work as a standard double mains adapter plug?

Yes, it will power devices plugged into it whilst working as a listening device.

How sensitive is the microphone?

The microphone should easily pick up sounds in a radius of up to 8 metres.

Do all of the sockets work or is one blanked off?

All of the sockets work in the normal manner.

Will the GSM bug still work if it is unplugged from the mains power supply?

No, the unit has no back up battery, so you will not be able to listen in when disconnected.

Does it come supplied with a SIM card?

Yes, we normally supply with an EE SIM card, but this can be easily changed over when you receive the GSM unit if required.

Does the GSM Bug make any noise or are there any indication that it is being used as a listening device?

There are no giveaway signs whatsoever.

Do I need to put credit on a Prepay SIM card inside the GSM Bug?

There is no need to add credit for the GSM Double Adapter to receive listening-in calls, but the SIM network provider may switch off the number after a period of time because they will not be making any money from its use.
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You will need to consider the following to use this equipment:

  • You will need a working phone (mobile or landline) to enable you to listen in to the bug.
  • If the supplied EE SIM card is not ideal for your location, then this will need to be replaced with an active SIM card of your choice to suit the location or your own needs as to network suitability.
  • If changing the SIM card then you will require a Philips type screwdriver to open up the extension lead to access the SIM card inside.
  • This unit is NOT battery powered and must be plugged into a mains power outlet that is switched on.
  • The device does not require credit on the SIM card to receive the call, however it is worth noting that if using a Pay-as-you-go SIM then after a period of time the SIM supplier may cut off the SIM card from the network.
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