Vertex EVX-539-G6-5 UHF 403-470mhz 5 watt 512 channel/32 groups analog/digital portable radio 512 Channels / 32 Groups (EVX-539) 8-Character alpha numeric LCD display (EVX-539) Voice compander, MDC-1200 encode/decode, Lone worker alert, Emergency alert DTMF Telephone interconnect ANI Digital all call, group call, individual call