Garmin Tacx ANT with Antenna + Connectivity. As you ride it transmits data to Tacx trainer software and your favorite apps such as Zwift and TrainerRoad. This lets you access data on your preferred app and with the transmitter you can even control a compatible smart trainer right from your phone tablet or computer. The antenna comes with a long cable to ensure the receiver can be placed close to the trainer for optimal reception. It is compatible with all trainers that communicate wirelessly via ANT+ technology including Tacx ANT+ trainers and smart trainers as well as third-party trainers. Package Contents: Garmin Tacx ANT with Antenna Garmin T2028: Tacx ANT with Antenna + Connectivity