Mini GSM Audio Bug 5–48V with External Mic & Remote Listening

Hear what matters without being there. This ultra-compact GSM audio module gives you direct access to conversations in your chosen space, using a simple phone connection.

Its tiny size and flexible power range make it easy to install in places larger devices won’t fit, while keeping full control over who can access it.

Stay connected to your space with discreet, controlled listening

✅ Listen remotely via GSM network for real-time awareness

✅ Hide it easily with a 25×15×12 mm size that fits tight spaces

✅ Power it almost anywhere with a wide 5V–48V input range

✅ Control access with an administrator-only calling system

✅ Capture clearer audio by placing the external microphone exactly where needed

✅ Receive alerts when sound or vibration is detected nearby

✅ Check approximate location using LBS network positioning

This module works by connecting to a 2G GSM network with a nano SIM card (not included). Once powered, you can call the device from your authorized number and listen to the surrounding audio in real time. Only the saved administrator number can access it, which keeps your connection private and secure.

The external microphone gives you more flexibility during installation. You can position the mic closer to the sound source while keeping the main unit hidden in a separate spot. This improves audio pickup while maintaining discretion.

Its wide voltage range from 5V to 48V means it integrates easily into different setups, whether in a vehicle, room, or custom DIY project. The unit powers on automatically when connected, and power-saving mode helps reduce energy usage when idle.

Compared to bulkier devices, this module stays out of sight and adapts to more environments. There’s no need for complex installations or rigid power requirements, making it a practical option for flexible setups.

Monitor important spaces with discreet, controlled audio access whenever you need it.