The IC-A25N VHF air band navigation transceiver features a powerful, six-watt transmitter with built-in GPS, Bluetooth®, and an IP57 waterproof rating. The simplified waypoint NAV feature guides pilots to their destination using the current position from GPS as well as from GLONASS and SBAS. The waypoint NAV feature has two functions: Direct-to NAV and Flight-plan NAV. In Direct-to NAV mode, the IC-A25N provides guidance to a specified waypoint; in Flight-plan NAV mode, pilots are guided through a series of sequential waypoints. The IC-A25N can store up to 10 flight plans and 300 waypoints. Position information imported from an Android? or iOS? device can be used as a waypoint. With built-in Bluetooth, third-party wireless headsets provide convenient, hands-free operation; optionally, with the use the VS-3 bluetooth headset, the side tone function can be used. A large 2350 mAh Li-ion battery provides operation times up to 10.5 hours. The easy to use interface combined with a large 2.3 inch display offers stress-free programming and in-flight operation.