Reliable Live Audio Monitoring with GSM Technology
Monitor spaces remotely with confidence using our compact GSM audio monitoring device. This discreet solution offers instant access to audio from any location using a standard mobile phone. With no flashing lights or operational sounds, it blends perfectly into home, office, or vehicle settings for real-time, legitimate surveillance.
Perfect for caretakers, business owners, and security-conscious individuals, this device enables live audio listening and will even alert you when sound is detected — making it an ideal choice for responsible property or wellbeing monitoring.
Why Choose This GSM Listening Device?
- Live Sound Monitoring: Simply call the device to activate its microphone and listen in. It will auto-answer silently, without alerting those nearby.
- Auto-Callback Feature: When the device picks up sound above a set noise threshold, it will call your phone, alerting you to potential activity.
- Dual High-Sensitivity Microphones: Picks up conversations or ambient sounds clearly within a range of up to 7 metres.
- Worldwide Compatibility: Operates on a tri-band GSM signal, supporting most pay-as-you-go UK SIM cards without needing contracts or subscriptions.
- Battery Life That Works for You: Offers up to 2 days of standby with auto-callback enabled, and 5 days with standard monitoring mode.
- Compact and Concealed: Small enough to hide in drawers, vehicles, or bags. Silent in operation, with no lights when active.
Technical Specifications
| Technology | GSM-based (Tri-band) |
|---|---|
| Microphone Range | 5–7 metres |
| Battery | 200mAh Li-ion rechargeable |
| Working Time | Up to 3 hours (continuous listening) |
| Standby Time | 2 days (auto-callback), 5 days (standby only) |
| Charging Method | USB cable (included) |
| Dimensions | 4cm × 3cm × 1cm |
What's Included in the Box?
- GSM Audio Listening Device
- USB Charging Cable
- Easy-to-follow English Instructions
Which SIM Cards Work Best?
This device requires a standard GSM SIM card (not included). It's compatible with most 2G networks and does not require data. Make sure your SIM has credit and is active. Popular UK networks that work well include:
- Compatible: Vodafone, Virgin, EE
- Not Compatible: O2, Three, or SIMs that rely solely on 3G/4G/5G
Need help finding a SIM card? Browse our SIM Cards Collection for fully tested options.
Suggested Uses
- Monitoring unoccupied property or holiday homes
- Checking in on loved ones or pets (with consent)
- Fleet vehicle and van security
- Covert audio access for safety and care applications
How It Works in 3 Simple Steps
- Insert an active SIM card and fully charge the device.
- Place the unit in your desired location such as a drawer, cupboard, car, or bag.
- Call the device from your phone and listen in live. Enable auto-callback for alerts.