The radio transmitters have a range of up to 8 km in open areas. 8/38 subchannels available for each channel, so signal overlap between different radio sets is unlikely.
446 MHz technology provides a solid wireless connection.
VOX function for hands-free operation.
The built-in LED flashlight is a handy extra feature. Battery life 2.5 hours continuous talk and 24 hours standby.
The transmitters have a 2.5mm jack for connecting the headset and a micro USB jack for rechargeable batteries. The transmitters are powered by a 3 x AAA battery or rechargeable battery.
These transmitters are not waterproof.