GSM Double Plug Adapter

This device is a fully functional double plug adapter that discreetly houses a new 4G GSM unit, enabling covert calls for real-time audio monitoring. Its innocuous appearance makes it ideal for both home and office environments, where it will blend seamlessly.

Mains Powered – Totally Discreet in Operation

The GSM Double Plug Adapter is designed for simple insertion into any live mains socket, allowing it to remain permanently powered and ready for calls at any time, from any location. This eliminates concerns about battery life, a common limitation with many portable listening devices. The SIM card within the adapter can be called from any telephone, eliminating the need for specialised equipment. This listening device operates silently, providing no indication of its activity. It will automatically answer incoming calls and activate its highly sensitive microphone, allowing you to monitor the surrounding audio without alerting those present. The absence of any visual or auditory cues ensures that the device remains completely undetectable and the device’s design prioritises subtlety, ensuring it does not attract attention or arouse suspicion, even under close scrutiny.

Excellent Crisp Microphone – Wide Listening Radius

This GSM audio bug incorporates a high-performance microphone capable of capturing normal speech level sounds within a 6-metre radius. This ensures effective audio pickup even when the unit is positioned under a desk or otherwise concealed. The device delivers exceptionally clear audio, enabling you to monitor conversations and activities, whether for workplace supervision or domestic oversight. The clarity of the audio is paramount, allowing for accurate interpretation of conversations and a comprehensive understanding of the monitored environment.

All Sockets are Fully Functional – Many Deployment Options

The double adapter retains full functionality in both of its sockets, allowing two other mains-powered devices to be used. This feature effectively eliminates suspicion. Double plug adapters are commonly used in homes, offices, and workshops, providing numerous deployment options. This GSM listening plug can replace an existing adapter or be discreetly positioned behind furniture or under a desk. Its inconspicuous design and mains-powered operation ensure it blends seamlessly into any environment, regardless of the specific décor or setting.

Listening-in Without Limitations

This 2-Way GSM Plug can be called from any distance, functioning as a standard mobile phone. No credit is required on the SIM card within the unit for listening purposes, removing the need for a contract SIM or credit on the included Prepay EE SIM (though international call charges may apply). However, Prepay EE SIM cards may be deactivated by the network provider after a period of inactivity, necessitating SIM card replacement. Its ease of use and versatile deployment make this product one of our most popular mains-powered GSM listening devices.

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 6 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 which currently is the only network we have found to work in the UK in these devices.

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 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.

• Fully functional UK Double Adapter Plug powers other devices from both sockets
• Offers unlimited surveillance distance. Users can call in and listen from anywhere in the world
• Captures normal level speech from up to a 6-metre radius
• Operates over the local 4G GSM Network Connection

• 220 ~ 240V UK 3-Pin connection to power unit
• Quad Band GSM Modem – Operates on 800MHz/1400MHz/1800MHz/2100MHz/2300MHz/2600MHz Frequencies
• Microphone – ported electret-condenser with FET amplifier
• Audio processor – built in digital sound processor
• System control – RISC based microcontroller
• GSM unit will accept any 4G enabled network SIM including international SIM cards
• Supplied with EE SIM card already installed and live
• SIM Card NOT supplied with calling credit
• Sensitive Knowles microphone – 6 metres normal speech pickup radius

• Double plug adapter with inbuilt audio bug
• EE Prepay SIM Card
• Online downloadable operational instructions