Powered by an optional single cell lithium poly battery. Non-volatile memory stores 2+ hours of data GPS at 1 hz that can be downloaded via USB interface and viewed in Google Earth.
Not that the programming utility is different from the standard APRS transmitters. It is available in the Prograrmming Utilities page
- Package deal includes transmitter, 850mah battery and USB interface/battery charger (+$26)
To purchase battery without USB, see the miscellaneous hardware section