Voice compander Voice encryption function(Scrambler) DTMF signaling setting function off,(PTT ID/ANI) Whisper function Side-key function assignment (monitor, moment, monitor, scramble, alarm, VOX, whisper, compander-expander, power, battery check) Build-in VOX CTCSS/CDCSS code Wide 25KHz and narrow 12.5KHz available Full frequency design and wide frequency range Voice guide TOT (time-out timer) Emergency alert Battery management & Power protect Programmable by PC with software