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Socke Gsm Listening Professional Devices. The radius is listening 5 to 7 meters with excellent sound sensitivity.
Specifications:
- Frequency: 900, 1800, 1900 Mhz
- Embed four condense microphone
- 24 hour non-stop power supply
- All GSM SIM card compatible
- Microphone range(Meter): 5~7(Radius), 4 levels
- Receive sensitivity: -\+10K
- Working temp: -40~50'C
- Responding frequency: 1.2K~800Khz
- Stand-by time: 7 days
- Working time: 4 hours
- Weight: 500kg
Products applications:
- Police can use it for law enforcement
- Lawyers can use it to collect evidence
- Reporter can use it to interview in special occasion
- For stealth surveillance
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