2pc Baofeng Uv-82 Walkie-Talkie Advanced Tech

Fm radio: 65-108mhz(fm receive only) frequency range: vhf 136-174mhz and uhf 400-520mhz (tx/rx) channel: 128 frequency stability: ±2.5ppm antenna: high gain dual band antenna impedance: 50ω operating voltage dc 7.4v <2800mah max mode of operation simple or semi-duplex antenna: sma -female earpiece/mic type: k-plug type dimension(w x h x d): 132* 60 *35 mm (size without antenna) weight: about 220g (including battery and antenna) power adapter input: ac100-240v, 50-60hz; output: dc10v/500ma adapter plug type: us/eu/uk/au for optional transmitter output power: 8w / 4w/1w (max 8w) modulation mode: 16kφf3e / 11kφf3e maximum deviation: 5khz(wide) / 2.5khz(narrow) spurious radiation: 7μw adjacent ch. power: ≤-65db(wide) / ≤-60db(narrow) pre-emphasis characteristics: 6db