Interphone Bf-6800

interphone BF-6800 : Frequency range :136-174 mhz / 400-470mhz Large-screen LCD display and have the night lights Can store 50 half-duplex channel, automatic scanning function Automatic, features Chinese voice prompt access number, convenient and quick Frequency display mode and channel display mode, simple intuitive A nickel-metal hydride batteries / lithium batteries QT function and built-in digital mute audio DQT Have a voice, you can achieve a manually operated call Computer to write frequency, high and low power control * Mute class settings, * low power warning function Channel spacing: 25 KHz Temperature: -20 - +60 Power supply voltage: 7.5 VDC (± 20%) Volume: 51 (L) × 28 (W) × 90 (H) mm Weight: 183 g (including battery included) Audio output power: 500 mW Frequency stability: ± 5ppm