---
product_id: 119815364
title: "MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD"
brand: "micronic"
price: "$U17098"
currency: UYU
in_stock: true
reviews_count: 8
category: "Micronic"
url: https://www.desertcart.uy/products/119815364-micronic-wireless-gsm-uk-sim-card-spy-bug-surveillance-microphone
store_origin: UY
region: Uruguay
---

# Quad-band GSM for seamless UK-wide reception Super-sensitive mic with 7m+ voice clarity Indefinite AC mains power + 1-2 day battery backup MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD

**Brand:** micronic
**Price:** $U17098
**Availability:** ✅ In Stock

## Summary

> 🎧 Stay connected to what matters—covertly and clearly.

## Quick Answers

- **What is this?** MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD by micronic
- **How much does it cost?** $U17098 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/119815364-micronic-wireless-gsm-uk-sim-card-spy-bug-surveillance-microphone)

## Best For

- micronic enthusiasts

## Why This Product

- Trusted micronic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable UK-Made Quality:** Built with premium Masterplug components and backed by UK support for peace of mind.
- • **Crystal Clear Audio Focus:** Filters out background noise and TV sounds to capture only human voices with pinpoint clarity.
- • **Smart Sound-Activated Alerts:** Automatically calls you when voices are detected—never miss a moment, even when away.
- • **Unlimited Listening, Zero Fuss:** Plug & play with pre-installed O2 SIM—no setup, no hassle, just call to listen anytime.
- • **Invisible Surveillance Powerhouse:** Covertly hidden in a fully functional 4-way extension lead—blend in while you listen.

## Overview

The Micronic Wireless GSM Spy Bug is a discreet, UK-made surveillance microphone ingeniously concealed inside a fully functional 4-gang extension lead. Featuring quad-band GSM technology and a super-sensitive microphone, it offers crystal-clear audio from over 7 meters away. Powered indefinitely via AC mains with a 1-2 day battery backup, it supports sound-activated call-back alerts to your phone, ensuring you never miss critical sounds. Pre-fitted with an O2 SIM card, it’s ready to use out of the box with no complicated setup, making it the ultimate covert listening device for professionals seeking reliable, hands-free monitoring.

## Description

A brilliantly camouflaged audio spy bug transmitter in 4 gang 1 metre extension lead. It is fully functional & operates just like an ordinary 4 gang extension lead. Fitted inside is an advanced GSM listening device that allows you to listen in from any phone. The range is unlimited & powered by AC mains to operate indefinitely & has internal battery that operates for 1-2 days if unplugged or switched off at socket. This is legal to use and completely free to operate as listening device however if you want to use the call back feature this requires credit (top up) to make calls back to your phone. Supplied & fitted with O2 sim card ready to use out of box. Simply plug into wall socket & call from your phone. No need to install sim card & no setting up required. You can call & listen whenever required or use sound activated "call back" mode that calls you when sound is heard (top up required). This feature automatically calls you when sound above 40db is heard. You can fit your own sim if preferred & small flat bladed screwdriver is required to open extension to remove & install new sim. Totally covert, discreet & completely silent to operate with no flashing lights or sounds. All models are made in UK by Micronic with every attention to detail. Fitted with latest quad band GSM module that is reliable and works in UK. These are genuine UK approved Masterplug extension leads and all parts are made with high quality components. This provides best performance at all times in all locations of UK. Masterplug 4 Gang (4 Way) 1 metre extension lead Supplied with FREE O2 SIM card Sound monitor range: Approx 5-10 metre (radius) Excellent sound quality and constant reception Quad band GSM mobile cell phone technology Quad band frequency: 850 / 900 / 1800 / 1900mHz High gain +5dbi dipole antenna Enhanced hidden microphone Sound activation call back Power: 230v AC mains operated Operating time: Indefinitely (24hr/365days) Working temperature: - 40º to +50º Deg.C Works with Micro/Nano SIM cards with adapter Sound activation level 40db (non adjustable)

Review: cannot get device to work - I purchased the device in march and i still cannot get it to work why cannot the sim card installed and tested at source
Review: Does what it says on the tin... - Works well, no complaints

## Features

- Wireless GSM sim card global listening device hidden inside fully functional 4 gang (4 way) 1 metre extension lead. Includes sound activated call back feature that calls your designated phone number when sound is heard. Up to 3 numbers can be stored and only works with your designated stored numbers. For legal reasons the device will cut off after 20 minutes and can be called back instantly to continue listening.
- Pre-fitted with O2 sim card ready to operate. Free to use as listening device with no need to add credit on sim. Sound activated call back feature requires credit (top up) on sim to be able to call back.
- Super sensitive enhanced high quality microphone filters out background noise, Radio and TV sound and focus's on human voice to provide the best possible audio. It can hear voices over 7 metres and is extremely clear when used in ideal conditions.
- Fitted with high gain GSM antenna to ensure reception in all area's and avoids dropping out during call. Operate indefinitely on AC mains or 1-2 days on internal built in battery.
- UK Telephone customer support and supplied with everything you need to operate with no hidden surprises or extra costs involved. Apart from minimum top up for call back feature if required. Its also recommended to top up sim at least once to avoid sim deactivation by network operaters. All netwroks reserve the right to deactivate any sim that has not paid to use their networks. This usually occurs between 30-90 days of misuse of their network.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NHCBJY2 |
| Best Sellers Rank | 92,670 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 808 in Spy Cameras |
| Guaranteed software updates until | unknown |
| Manufacturer | Micronic |

## Product Details

- **Brand:** MICRONIC
- **Colour:** White
- **Material:** Plastic
- **Total power outlets:** 4

## Images

![MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD - Image 1](https://m.media-amazon.com/images/I/611kyg37QKL.jpg)
![MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD - Image 2](https://m.media-amazon.com/images/I/616dYpSUu9L.jpg)
![MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD - Image 3](https://m.media-amazon.com/images/I/71NzlIExmoL.jpg)
![MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD - Image 4](https://m.media-amazon.com/images/I/81vSEHtBc8L.jpg)
![MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE IN 4 WAY MAINS EXTENSION LEAD - Image 5](https://m.media-amazon.com/images/I/713RrR1gW9L.jpg)

## Questions & Answers

**Q: Are there recent reviews**
A: I doubt it

**Q: Can I place my own sim card especially as I will be taking device abroad?**
A: Never worked

**Q: What’s the largest capacity MicroSD memory card will it accept?**
A: Never ever worked

**Q: Does this device comes with a mobile app?**
A: No mobile App is required to use this device. It works with any mobile phone and all you need to do is call it when you want to listen. If you want to record sound you send SMS text message to start and stop recorder.

## Customer Reviews

### ⭐ cannot get device to work
*by M***H on 28 September 2020*

I purchased the device in march and i still cannot get it to work why cannot the sim card installed and tested at source

### ⭐⭐⭐⭐⭐ Does what it says on the tin...
*by R***E on 4 September 2020*

Works well, no complaints

### ⭐⭐ Crap design for sim card
*by M***M on 22 September 2024*

Looks ideal, but getting sim card in and out very difficult. It needs improving.. Looks ideal sockets work. I got a refund.

## Frequently Bought Together

- MICRONIC WIRELESS GSM UK SIM CARD SPY BUG SURVEILLANCE MICROPHONE LISTENING DEVICE & TF CARD SOUND RECORDER IN 4 WAY MAINS EXTENSION LEAD
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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-03-08*