Overview 
　　It can transmit dual-way image, voice, data, built in GPS, voice gateway etc.

Applications
　　It can be widely used in various fields such as police, fire, hydro, air defense, city management, electric power etc.

Application mode
　　It can fit various of complex requirements,and can achieve "point-to-point transmission", "relay", "multi command center switching", "terminals switching" and various operating modes.
　　１.Point-to-point transmission mode

　　The most common mode is"point-to-point transmission mode. It can be mounted in vehicles, aircraft, ships etc. 
　    2. Relay mode

　　3.Channel switching mode

　　Channel switching mode can build link in "single center - multi teminals " and "multi Center - single teminal roaming".