









🎧 Hear what others can't—stealth surveillance redefined.
The HDST-E12 GSM N9 Mini Quadband Surveillance Device is a compact, battery-powered audio bug that uses GSM SIM cards to enable remote listening. Operating across three global GSM bands, it features a sensitive built-in microphone with a 10-meter range and smart sound activation that calls you back when noise exceeds 45dB. With up to 15 days of standby time and SMS-based remote control, it offers discreet, reliable monitoring ideal for professional-grade surveillance.
| Brand | HDST-E12 |
| Item model number | HDST-E12 |
| Manufacturer | HDST-E12 |
| Series | HDST-E12 |
| Connectivity Type | gsm |
| Wattage | 3 watts |
| Power Source | Battery Powered |
| Battery description | Built-in |
| Are Batteries Included | No |
| Guaranteed software updates until | unknown |
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