GSM Bug UK extension lead spy bug listening device Fully working (Upgraded)

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  • Regular price £139.99
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This is our best performing GSM extension lead to listen into a rooms activity due to module upgrade in Aug 23. It’s a fully working extension lead with improved, upgraded GSM reception & mic pickup. The upgraded GSM module is designed & manufactured exclusively for us. It's not available elsewhere & assembled to order in the UK, better than cheaper imports.

The fully functioning 4 gang mains extension lead has a hidden listening device bug allowing you to listen to what’s happening in the room where it’s deployed. We test & setup the device ready, so all you must do is plug it into the mains, dial the number supplied or easily fit your own sim card to listen, anytime, anywhere in the world. It really is that simple.

Devices are hand made to order in the UK exclusively for our customers. Unlike cheaper imports, all our products are strategically assembled to enable the microphones to pickup activity, more effectively. Beware of cheap Chinese copies..

The listening device auto-call back function (sound activation) can also alert you by calling you whenever it picks up sounds in the area. This saves you time as you don’t have to listen in unnecessarily. You can easily switch this function on or off, just by sending a SMS text to the device. This feature is great for protecting your property to monitor unwanted activity.

At a Glance
Fully Functional, totally standard 4 gang extension lead

Sensitive microphone captures audio up to 8 meters (25feet) radius of GSM bug

Hand made in UK, built to order

Built in Quad Band GSM Listening Device (Worldwide compatibility)

Voice activated version is

Auto-call back function, remote setup by SMS message

Mains Powered for unlimited monitoring

Quad band will work all over the world


Monitor the room conversations from anywhere in the world. Just dial the sim card number supplied or fit your own sim card and the unit will silently switch on enabling you to listen to sound up to 30 feet from wherever the device is fitted. Sound is filtered and 100% buzz free for perfect audio clarity.

Call or receive calls from any location in the world. Incoming and outgoing call functionality.
This device is extremely simple to use. Simply insert a SIM card (included) into the device and leave it wherever you feel the need.
Call the SIM phone number and it will automatically pick up, you can now listen in to what's happening around the device.
If you want the device to call you as soon as it picks up sound, simply send the device a SMS text with code which is provided and it will call whichever phone you sent the SMS text from and let you hear what's going on, this is ideal for when you are travelling abroad and don’t yet know what number you will have at your destination.

To use the features on this product you will require a compatible GSM sim card once you have tested ok put some credit on the sim to ensure that the network keeps it active.

It's always best to stick with a network that you know has a decent reception in the area that the product is being used, we normally recommend Vodafone, Virgin or EE in the UK as these have good network coverage. Device works with most GSM networks across the world.

O2 & the 3 Network sim cards will NOT work with listening devices as they are mainly 3g sim cards.

Please note these devices are hand made to special order and promptly dispatched from UK.


Warning: This product should not be used for any illegal purposes; you may be subject to prosecution under applicable laws.
It is illegal to make recordings (audio/visual) of any person(s) without their prior knowledge and/or consent.