Dynamic Designs US Inc 4 Watt/1 Watt (High/Low Power) UHF 2-Way Radio, VOX (Voice Activation) Feature, DTMF Encoding/Decoding, 50 CTCSS/105 DCS Privacy Codes, Busy Channel Lockout, Distant Alarm, ANI (Caller ID), PTT ID, Time out Timer (TOT), FM Radio, All Calls, Group Calls, and Selective Calls, Channel Spacing (25.0kHz/12.5kHz) Freq Range UHF 430-470Mhz. Includes Battery 1300mAh(Li-Ion), Rapid Rate Drop In Charger, Belt Clip, High Gain Antenna, and User Manual. Uses standard 2 Prong Kenwood plug for the headset (all of our headsets with SKU's ending in TK208 are compatible). Default frequencies are compatible with most UHF 2-way radios such as Kenwood and Motorola. We offer custom programming.