Available for everyone at last the PMR intercom system: no more disturbing cables or connections, just a first-rate radio with 8 channels, range of approx. 2 km in the 466 Mhz frequency band. Ideal for kart tracks and small/medium autodromes, for communication in pits or between pits and driver (the car or kart must use a radio tuned to the same frequency). It can also be used in rallies to communicate between driver and co-driver or between co-driver and paddock.