Uhf single band • 16 channels • ctcss & cdcss • vox function • voice prompt • usb charge • • 5w tx power • low voltage alert • usb rapid charge • scramble • flashlight • channel scan • • dmtf encoded • battery saver • emergency alarm • time-out timer • pc programmable • fm radio • specifications... type: portable 2-way radio frequency range: uhf 400-470mhz frequency stability: ±2.5ppm channel capacity: 16 channel spacing: 25khz battery: 1500mah li-ion output tx power: 5w-high/1w-low operating voltage: dc 3.7 v standby mode: about 3 days operating temperature -20°c-+60°c antenna impedance 50ω antenna type: compatible with sma-female antenna interface: k-type 2-pin earpiece/programming cable dimensions: 128×55×25 mm (no antenna) weight: 180g (including battery/antenna) communication range: about 5km