MXO Racing RXC52-DP Spektrum Technology DSM/DSM2 Receiver The first micro surface receiver with an antenna-less design and integrated transponder — built for Mini-Z and 1/28th to 1/24th scale RC racers. Features a customizable personal ID number you can update as many times as needed. Two configurations available: RXC52-DP — Base receiver; transponder functionality unlocked separately via MX USB PG-ISP programmer (sold separately) RXC52-DP&TP — Transponder pre-activated, ready to race out of the box Key benefits: No more bulky add-on transponders on your Mini-Z or 1/28th–1/24th scale car Edit your personal ID number anytime Toggle transponder on/off via the GUI (TP_LED indicator) Compatible with Spektrum DSM and DSM2 technologies Also available in black (RXC52 ABS BLACK) and clear (RXC52 ABS) cases, sold separately Programmer/compiler sold separately (MX USB PG-ISP)