Long Range Directional Acoustic Hailing Device for Anti-terroist riots unlawful rally
Long range acoustic

Instrument Introduction:
GSI-200 is mainly used for personal carrying, mainly used in field command and control, emergency communication, warning, key information release and other fields.
Compared with the traditional audio equipment, this series of products can effectively overcome the background noise such as traffic, noisy crowd, etc., and ensure that the key information sent by the product can be heard and understood clearly within its effective working distance.
Applications:
It is used for warning broadcast and dispersion of individuals, crowds, vehicles and ship targets with potential threats, and has many uses such as short-distance dispersion, airport bird repellent, long-distance communication, warning release, traffic control, broadcast publicity, emergency rescue communication and command, etc. It can be widely used in border troops, fire control, forest, special police, maritime supervision, marine police, highway, airport and other departments.
Technical parameters:
Sound pressure level:120-124DB (1 meters);
Maximum transmission distance:< 600 meters;
Dispersion distance:< 50 meters;
Working time:< 4 hours;
Sound source format:WMA,MP3,WAV;
Interface:USB interface, Bluetooth interface, line input interface, speaker input interface, charging interface;
Power supply mode:built in battery;
Working temperature:- 40 ~ + 60 ;
Size:340mm*190mm*220mm
Weight:3.9kg




1. Where is your factory located? How can I visit there?
Our factory is located in changsha City, hunan Province, China.
All our clients, from home or abroad, are warmly welcome to visit us.
2. How many years experience in producing?
More than 15 years,and our engineers have more than 20 years product experience.
3. Is it difficult to operate?
This instrument is easy to operate and has professional personnel to train.
4. Guide for After-sale Service
The instrument is guaranteed for a year, with lifelong service
5.Technical surpport
If need any technical support, pls feel free to contact our sales engineer, will reply you in 24 hours.
We will always behind you!
6. How to do if don~t need your company brand name?
We have own factory,OEM is available;If need other brand name,it is okay.please give us letter of authorization.