Transponder

It's lighter. It's smaller. It's all black. Introducing the RC4 Pro, the world's smallest transponder that helps you race in style. The RC4 P...

Mylaps RC4 Personal Transponder AMB RC4 transponder from "My Laps Sports Timing" - the absolute standard in the field of timing at RC car events! ...

Mylaps RC4 HYBRID transponder AMB RC4 transponder from "My Laps Sports Timing" - the absolute standard in the field of timing at RC car events! A...