MyLaps RC4 Pro Transponder

MyLaps RC4 Pro Transponder — the world's smallest RC lap timing transponder, in pitch-black.

Race in style with the smallest, lightest transponder MyLaps makes. Compatible with all MyLaps RC4 timing systems, with all firmware versions — including our timing loop here at Clermont RC Complex.

Why racers upgrade to the Pro

• 25% smaller than the original RC4
• Weighs just 3 grams — barely noticeable in the car
• Shorter 8cm cable for a cleaner install
• Works indoor and outdoor, on any surface
• Tracks lap times and telemetry straight to your MyLaps profile

Specifications

• Dimensions: 15.7 × 18.0 × 4.5 mm (0.62 × 0.71 × 0.18 in)
• Weight: 3 g
• Cable length: 80 mm / 3.1 in
• Max speed: 120 km/h (75 mph)
• Operating voltage: 2.8–16 VDC (recommended 3.5–12 VDC)
• Power consumption: 19 mA @ 6 VDC
• Temperature range: 0–50 °C (32–122 °F)
• Humidity: Max. 90% relative
• Signal transfer: Magnetic induction
• Code resolution: 1.5 ms
• Connection plug: Standard servo plug (receiver ch3 or ch4)
• Wire insulation: Aerospace/MIL-spec high-temp PTFE — gasoline/nitro resistant
• Max mounting height: 15 cm / 6 in

Installation

Install the transponder in your RC car and connect to a free receiver channel (ch3 or batt). Each transponder has a unique seven-digit number. Running multiple cars? A dedicated transponder in each car is the easiest way to keep telemetry clean.

Available for pickup trackside at Clermont RC Complex — 12351 Sullivan Road, Clermont, FL 34715 — or ships nationwide.