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GSM Bugs


A GSM bug is currently the most used device when it comes to audio surveillance. Thanks to its advanced technology, also called GSM Infinity, it allows, through a simple phone call, to listen to everything that happens in the environment in which it has been hidden. GSM bugs have unlimited network coverage, allowing the listener to be thousands of kilometers away, as long as there is GSM Global System for Mobile Communications network coverage in the area.

The alternative to GSM bugs are radio bugs, but they are limited by their ability to transmit only over short distances and require a bug receiver.

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How a GSM Bug Works and When to Use It:

To activate the microphone of a hidden GSM spy bug, all you have to do is call the phone number linked to the SIM card inside the device. Whether you’re using a mobile or landline, this simple action lets you listen to everything happening in the area where the bug is hidden. Thanks to its professional, ultra-sensitive microphone, the audio quality is remarkably clear—it even picks up whispers and faint background noises with ease and without interference. With a GSM bug, you can conduct your audio surveillance completely on your own. Its discreet design ensures your operations remain entirely anonymous, raising no suspicion whatsoever.

Types of GSM Bugs We Offer:

Our GSM bugs are designed to fit seamlessly into various everyday objects, such as appliances, power strips, triple plugs, or even table lamps. These cleverly disguised devices can blend into any setting, ensuring maximum discretion. Plus, with the expertise of our engineering team, some models can be connected directly to a 220V power supply, so you’ll never have to worry about recharging them.

One of the standout features of our GSM bugs, including car bugs, is their ability to operate silently. Once installed, they produce no noise or vibration, ensuring that they remain undetectable to anyone nearby.

At Endoacustica, we specialize in professional-grade GSM bugs that can be configured remotely via SMS. You can easily adjust settings like voice activation, microphone sensitivity, or even enable anti-sweep functionality. Many of our devices also come equipped with motion or vibration sensors, allowing them to activate automatically. For example, if the object or vehicle they're installed in moves, the sensor triggers the GSM bug, and you’ll receive a call directly on your mobile phone.

Additionally, some of our GSM bugs can be connected to a landline, providing the capability to record intercepted conversations when paired with one of our spy voice recorders.

Applications of Endoacustica GSM Bugs:

GSM bugs are versatile tools that cater to a variety of needs. They can be used for:

  • Monitoring your home: GSM bugs are a practical solution for keeping track of conversations at home. Whether you want to uncover infidelity or ensure your domestic staff are following instructions, these devices provide discreet monitoring.

  • Monitoring your car: Installing a GSM bug in your vehicle lets you listen in on all conversations that happen inside. They’re particularly effective for detecting theft attempts or marital infidelity. When paired with satellite GPS trackers, they offer comprehensive surveillance.

  • Monitoring offices, shops, and company premises: In work environments, GSM bugs are invaluable for uncovering potential crimes. Thanks to their voice-activated microphones, they can help document evidence of stalking, mobbing, fraud, blackmail, or harassment.

GSM bugs are popular among private citizens, law enforcement, investigators, and security professionals. Their ease of use and effectiveness make them a go-to choice for discreet surveillance.

Explore our range to find the perfect GSM bug for your needs, or chat with one of our specialists at the bottom of this page for personalized assistance.

Read more about GSM bugs

Covert Listening Devices

Buy your GSM bugs

GPS Tracker with audio for surveillance

Advanced GPS audio tracker. Combines precise tracking and audio surveillance in a compact device, ensuring professional-grade monitoring solutions.

GSM remote listening device 4G LTE

Equipped with a powerful digital audio processing (DSP) system and the latest Knowles microphones, Pixel-4G provides unparalleled efficiency and frequency response.

Professional GSM bug - car listening device

This miniaturized GSM audio transmitter monitors vehicles or rooms remotely. Compact at just 39x40x9 mm, it ensures discreet, high-quality audio surveillance.

Professional Mini GSM quad-band spy bug

The NANO-BUG is a GSM listening device with voice and motion activation. Compact and powerful, it offers seamless audio monitoring for vehicles or indoor spaces.

GSM audio bug with GPS and Voice activation

Combining GPS tracking and GSM audio, this bug features a high-sensitivity MEMS microphone for clear real-time surveillance and precise location tracking.

Professional stereo microphone GSM bug

The GSM-002 offers dual-microphone support for crystal-clear audio reception. This device allows remote listening from unlimited distances via GSM.

GPS Car Tracker - Audio Recorder - GSM bug

The GPS-MULTITASK combines a GPS tracker, a GSM bug, and a high-quality voice recorder, offering seamless real-time surveillance and audio recording capabilities.

GSM audio listening bug in a socket

Tri-band GSM audio transmitter concealed in a functional socket. Equipped with a high-performance Knowles microphone for discreet and clear audio capture.

GSM bug hidden in an infrared sensor

GSM audio transmitter built into a PIR sensor for anti-intrusion systems. Virtually undetectable, it delivers superior surveillance for home or office security.

GSM bug & spy mouse audio listening device

This functional optical mouse conceals a high-sensitivity microphone, acting as a powerful GSM audio bug for discreet remote monitoring.

Power Adapter Plug GSM Bug Voice Activated

GSM spy module for tripolar plugs. Instantly activates when connected to power. Compact and efficient for long-distance, continuous audio surveillance.

Smoke sensor equipped with GSM bug

A GSM bug hidden in a smoke sensor. This discreet device is a powerful audio transmitter, providing undetectable surveillance for homes or offices.

Wall clock with built-in long-range GSM bug

A GSM bug in a wall clock. Perfectly camouflaged, it provides clear audio monitoring and is customizable with extended battery life or mains connection.

GSM bug hidden in a desk calculator

Functional calculator with GSM bug. Combines practicality and advanced surveillance, delivering clear audio monitoring discreetly in any setting.

GSM bug concealed in a modern desk lamp

A GSM bug in a desk lamp. This discreet device offers powerful audio surveillance while maintaining the appearance of a fully functional lamp.

Frequently Asked Questions

A GSM bug is a covert listening device that uses a GSM SIM card to transmit audio remotely. By calling the bug’s number, you can hear real-time audio from its location.

Unlike traditional bugs with limited range, GSM bugs operate through mobile networks, offering unlimited distance and convenience for remote audio monitoring.

While advanced GSM bugs are designed to avoid detection, they can sometimes be identified using RF detectors or by noticing unusual sounds or signal disruptions.

GSM bugs are used for:

  • Monitoring home conversations for safety or infidelity.
  • Tracking vehicles or conversations during transit.
  • Ensuring security in offices or workplaces.

GSM bugs can be configured remotely using SMS commands. Features like voice activation, sensitivity adjustments, and motion detection can be set without physical access.

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