Wireless Listening System
One back end can support many front ends
Introduction
1.This wireless listening system consists of wireless transmitting
part and receiving part, the wireless transmitting parts can be
perfectly fit with a variety of electric equipment as camouflage,
it can obtain evidence and does not affect the normal work as an
electrical appliances.
2. Built-in high sensitivity microphone,its pickup is wide and the
space range it can monitor is about 80 square meters.
3. Low power consumption , built-in high-performance rechargeable
lithium batteries,it can work more than 60 hours continuously.
4. Long transmission distance,which is about 500-700m in the urban
visual environment.
5.This wireless listening system is widely used in the family,
hotel, warehouse,office,conference room ,criminal scene etc.
Technical Parameters
1,Wireless Transmitting Parts
Types: LED lamp, wall lamp, strip, charging treasure, wireless
router, chargers, electronic calendar, remote control, smoke box,
cigarette case.(optional) according to real need
Pickup radius: 3-5 m
Channel:has 10 different optional
Ideal transmission radius: outdoor environment: 1000m
Urban real visual environment: 500-700 m
Working current: 10-15 mA
Working voltage: DC 5V
Transmission power: 40 mW
Antenna: built-in antenna
MIC pickup sensitivity: - 58 db
Ground noise: less than 20 Hz
Working time: 220 v It can keep working all time with connecting
220V power source, it can work more than 60 hours continuously with
built-in lithium battery .
Charging time: about 3 hours (1000 mAh), about 6 hours (20000 mAh
rechargeable treasure)
2,Receiving part:
Size: 110 * 57 * 39 (length * width * height in mm)
Battery: 7.4 V / 2800 mAh(lithium-ion battery)
Continuous working time: 5 hours
Channel: 16
Power:5W
Weight: 240g
Receiving sensitivity:0.20μV@20/25KHz typical
Audio power rating:1 W
Audio distortion: 5% or less
The power voltage:7.5V DC ±20%
Working temperature:-25℃~ + 60℃
Have playback function
The recording file format:WAV
Storage:32GB
With headset
The recording time:500 hours
USB2.0 Extract: support
