Phase lock step: 5KHz, 6.25 KHz, 10 KHz , 12.5 KHz, 15 KHz, 25 KHz. Working Voltage: 13.8V DC±15%. Dimension(W x H x D): 98(W) x 35(H) x 118(D)mm. 1 X QYT KT-7900D Radio.1 X Microphone with Keypad. 1 X DC Power Cable (with Cigarette Lighter). 1 X Mounting Screws Kit. 1 X Hanger clip for Microphone. 1 X English User's manual. The item "QYT KT-7900D 25W Quad Band Mobile Radio Walkie Talkie 144/220/350/440MHZ 4 Bands" is in sale since Tuesday, September 29, 2020. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Transceivers". The seller is "radio8688" and is located in shen zhen. This item can be shipped worldwide.