The Trinity Over-The-Air (OTA) Programming Module uses OTA communication technology to transfer data between an ESC and a smart device such as a cell phone or tablet. With the OTA connection, users can program and update the ESC and monitor real-time data. Using this OTA Programing Module, racers can quickly make ESC adjustments to better suit their needs, and lower lap times. Program Directly From a Smart Device Update Your Firmware Wirelessly Quickly Adjust ESC Parameters Monitor Real-Time Data