Product details:

Transmitter, TQi Link enabled, 2.4GHz high output, 2-channel (transmitter only) The 2-channel TQi transmitter combines a full complement of tuning features with the long-range convenience of 2.4GHz technology. Automatic model recognition instantly recalls your settings for up to 30 Link-enabled models. The TQi's ergonomic design provides all-day driving comfort, with an internal antenna that is impervious to damage. For even greater control, add the Link Wireless Module to the transmitter and download the free Link app to your mobile device.