TQi: The Next Generation of Traxxas 2.4GHz Control
The Nitro 4-Tec 3.3 is equipped with the world’s most advanced Ready-To-Race® radio system. The all-new Traxxas® TQi™ radio system with Docking Base turns your iPhone® or iPod touch® into a powerful tuning tool. The device display combines with the Traxxas Link™ App to deliver an intuitive, high-definition, full-color graphical user interface that optimizes your radio system for ultimate vehicle control. Automatic model recognition instantly recalls your settings for up to 30 Traxxas Link-enabled models—just switch on and drive. This powerful App gives you complete control over the operation and tuning of the Nitro 4-Tec 3.3 with an intuitive, high definition graphical user interface. Once you have created the perfect control settings for your model, you can save them as a profile to restore later, use on another model, or share with friends. Factory installed Traxxas Link telemetry sensors transmit real-time data including speed, RPM, temperature, and battery voltage with stunning visuals. TQi Docking Base is compatible with iPhone® 3GS/4/4S and 3rd/4th generation iPod touch®. Learn more about the new TQi Radio System.
Reference : http://traxxas.com