||Date of manufacture, as these radios keep changing and getting updates.
||Allows you to power speakers or PTTs like a invisio V60 from the radio.
|Harris battery support
||Allows you to use real harris batteries.
||Remote control for the radio, perfect for radios in a backpack or back mounted.
||A GPS device that will display your location on the radio or KDU.
||Allows you to setup channels, names, powerlevels via software, either on a PC or phone.
||What kind of battery or case the radio arrives with.