◾ Any 10 users out of unlimited users per Group talking simultaneously with fully hands free while rest members are listening

 ◾ Advanced CODEC protocol minimized the impact of terrestrial interference and super dynamic range of noise cancellation       more than 95dB

 ◾ Long enough direct talk range 0.62mile / 1.0Km typical for 900Mhz version & 0.31mile / 500m for 2.4Ghz version

 ◾ Secure way of isolated PIN encryption per Group and powerful OLED display indicating Group & ID on one screen at the         same time

 ◾ Heavy duty and robust mechanical design and fully fulfilled water proof IP67 including detachable Antenna system

 ◾ Convenient drop-in charge, individual USB charge, and replaceable battery system