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 
TQi Telemetry Expander 2.0 (TRA6550X) Inputs (Three-Quarter View) Traxxas telemetry changes the game by allowing you to monitor and record real-time data from your vehicle while you drive. Add the GPS module to the water-sealed Telemetry Expander and track the actual speed of your vehicle in real-time! 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 setup takes only a few moments! Advanced communication bus technology allows you to connect the telemetry expander to your TSM receiver or to your High-Voltage Power Amplifier, or directly to the VXL-6s and VXL-8s electronic speed controls with optional data cables. Install the Telemetry Expander, choose your sensors, and prepare for an all-new RC driving experience!

Features:

• Includes receiver data cable (optional data cables available)
• Installs quickly and easily; no parts to replace or swap
• Waterproof case keeps the expander safe from the elements
• Six available ports for connecting auto-detectable plug and play sensors
• Ready to accept plug-in GPS Speed Module (part TRA6551X, sold separately)