Pinhole type high sensitive hidden microphone for cctv
GO Back- SKU: SUPR-107
- Brand: OEM
- Color: white
- Weight: 11g
- Size: 63mm*31mm*20mm
- Material: plastic
- MOQ: >10
- Lead time: 7-15 days
- Description
- Parameter
Built-in digital processing circuit and multistage dynamic noise reduction processing
Clear voice, low noise
The echo eliminates technology and Reduce the empty room echo.
Pinhole type design, convenient hidden installation
AGC automatic gain circuit
Monitor range: 10~50 square meters.
Apply to public security organs, trial, supervisor of the warehouse, divisions, police station, telecommunications, bank Treasury departments
Apply to video recorders such as sea kang, dahua, hanbang.
Voltage
linear power supply (transformer) DC9-12 v
Electric current
20MA
Frequency range
100-100 KHZ
Output impedance
600 ohm non equilibrium
Transmission distance
3000 meters
Directivity
Omni-direction
Signal-noise rate
60db
Sensitivity
-40db
Connecting mode
red (power+) black (public) white (audio+)
