Baofeng 2PCS UV-5X Mate Handheld Two-Way Radio VHF136-174MHz UHF400-520MHz Dual Display Standby Transceiver Walkie Talkie with 2xMic+Tokmate Programming Cable Dual display, dual standby, and dual tranmitting alternatively via special PTT button.USB Programming Cable Compatible with Win10 MAC Dual band two-way radio supports UHF(400-520MHZ) and VHF(136-174MHZ) Quick frequency and channel programming through mini keypad or?PC?programming via cable and software Basic but useful functions as CTCSS/DCS, VOX, TOT, DTMFST, frequency channel scanning,W/N band selection,etc. "It is a new model of baofeng UV-5X, which comes with some tiny but considerate features, brighter typing keypad,brand new appearance following the principle of ergnomic, LCD displays dual frequencies , which seems has no difference before, but soon you will find its PTT button looks a little ""curved"" and pressing from two side will transmit at two different frequencies that are matching the ones on LCD UP and Down. "