MyLaps RC4 Direct Powered Transponder for RC4 Decoder w/ 3 Wires #10R120 An enriched communication protocol: the standard on which we develop all new RC products and services A new series of transponders, based on a complete redesign A new timing system for clubs and organizations Humidity: Max. 90% relative, Max. Speed: 120 km/h (75 mph), Temperature Range: 0 - 50C (32 - 122F), Signal Transfer: Magnetic Induction Code Resolution: 1.5ms, Max. Transponder Position: 15cm, Power: Feed from free receiver channel (ch3 or batt), Connection Plug: Connect using a standard Servo plug