
Wireless Listening System
Model: HWJT-WS900B
This wireless listening system consists of wireless transmitting part and receiving part. The wireless transmitting parts are equipped with 10 different frequency bands and different shapes, which can be used simultaneously whilst not interfering with each other.
The wireless transmitting parts can be concealed perfectly which can obtain crime evidence while not affecting their normal work.Built-in high sensitivity microphone, which can listen to the sound in the room up to 80sqm. Power consumption of transmitting modular is only 20mw, which can ensure longer working time. It has long transmission distance, which is about 200-500m in the urban visual environment. It’s subject to the amount of barrier and electromagnetism intensity.
Technical Parameters:
Receiving Part | |
Dimension | L110 * W57 * H39mm |
Power supply | 7.4 V / 2800 mAh Li-ion Battery |
Working time upto 8hours | |
Receiving Channel | 16 |
Power | 5W |
Weight | 240gram |
Receiving Sensitivity | 0.20μV@20/25KHz typical |
Rated Audio Power | 1W |
Audio Distortion | 5% or less |
Storage | 32GB which can record for 500hours |
Recording file format | WAV |
Playback function | Yes |
USB2.0 Extract | Support |
With earphone | Yes |
Working Temperature | -25℃~ + 60℃ |
Beijing Heweiyongtai Sci & Tech Co., Ltd.
About Us
Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in supplying and trading Security Inspection equipment, EOD equipment, Anti-terrorism equipment, Intelligence device, etc. Our products are widely applied in public security bureau, military, custom, government security agency, airport, exhibition, etc.
Our company headquarters and showroom are located in Beijing, the capital of China. There are more than 400㎡ showing room where exhibits nearly hundred kinds of well-equipped products and equipments. Our staff are all qualified technical and managerial professionals to provide you satisfied service.
Our main products and equipments are as follows, and is increasing:
★EOD Equipment
★Security Inspection Equipment
★Anti Terrorism Equipment
★Investigation Equipment
Our factory Jiangsu Hewei Police Equipment Manufacturing Co.,Ltd was established in the year 2010.
We establised research centre and factory in Shenzhen in the year of 2014.
Overseas Exhibitions
If have any inquiries about our company or products, please contact the following information.