MRT mPTX Pro Transponder

The MRT mPTX Pro Transponder is a direct-powered timing unit designed for dependable performance in RC applications. Compact, lightweight and fuel- and waterproof, the mPTX Pro provides dual 7-digit IDs and low current draw, making it a practical choice where reliable lap detection is required.

Key Features

• Direct powered transponder
• Main 7-digit ID and alternate 7-digit ID
• Stealth case: 19 x 16 x 6 mm; waterproof and fuel-proof
• Mounting options: 3-hole tabs or direct fit (tabs removed)
• Weight: approximately 3 g
• Temperature range: 0°–50°C (32°–122°F)
• Signal: Magnetic induction
• Power lead/plug: RC 3-pin standard type (length approx. 190 mm)
• Operating voltage: 2.1V–16V DC (reverse polarity protected)
• Power consumption: approx. 8 mA @ 6V DC
• Display LED: Neon blue

Suggested Compatibility

• AMBrc2 / AMBrc3
• MyLaps RC3 / RC4 systems (pre firmware version 4.5)

Part number MRTMPTXPRO from MRT brings a neat stealth form factor and straightforward installation via the standard RC 3-pin plug, helping keep wiring tidy while delivering consistent timing performance.