· To fully utilize all the features you have to use Windows PC to program this radio. Not Compatible with CHIRP and RT systems software.· TYT TH-350 Tri-Band 2 Meter, 1.25 Meter (220 MHz) and 70 cm (440 MHz) Two Way Radio· Special Features: (1) 2 Meter, 1.25 Meter (220 MHz) and 70 cm (440 MHz) (2) Tri - Display (3) Tri - Standby (4) Standby 3 frequencies on the same band or different band at the same time! (5) Will NOT Receive Simultaneously· Other Features 128 Channel Wide/Narrow bandwidth (25kHz/12.5 kHz) VOX CYCSS/DCS Emergency alarming Scrambler DTMF Scan Battery saving function Low battery· Package includes: 1 x TYT TH-350 Tri-Band Analog 1 x USB Programming Cable and software CD. 1 x Shengda Tri-Band 144/220/430 MHz 13 inch. 2 x TYT Antennas* (1 x 144/430 MHz 1 x 220 MHz) 1 x Li-ion Battery 1600mAh 1 x Belt Clip 1 x Charger 1 x Adapter (Input:110-250V 50Hz) 1 x User's Manual