Traxxas 6553X TQi Telemetry Expander 2.0 w/GPS Speed Module 2.0

Important Note: The GPS Module 2.0 (TRA6551X) and Telemetry Expander 2.0 (TRA6550X) replace the original Telemetry Expander (TRA6550) and GPS Module (TRA6551). The originals are not compatible with the 2.0 versions.  The Traxxas Telemetry 2.0 Expander & 2.0 GPS Module Combo requires the TQi radio system with Wireless Module (TRA6511), TSM receiver (TRA6533), Apple device running iOS 4.3 or higher, or Android-equipped device with Android 4.4 and higher, and the Traxxas Link App (latest version available free on Google Play and the App Store) Expanded Innovation The TQi Telemetry Expander 2.0 (TRA6550X) changes the game by allowing you to monitor and record real-time data from your vehicle while you drive. The Telemetry Expander accepts up to six auto-detectable sensors in addition to the three standard Traxxas sensors. There are currently three auto-detectable sensors to select from: voltage, temperature, and GPS. The Traxxas Link application automatically recognizes sensors, so set