Main Features -Two-way handheld transceiver. -DTMF encoded. -2800mAh Lithium-ion battery with high capacity. -Alarm function. -Up to 128 memory channels. -Dual PTT Key -CTCSS/ DCS -DTMF Code -LED Flashlight -Dual PTT Key -Dual Watch -Emergency Alarm -PC Programming -Cable replication -Call Tone 1750Hz -High/low voltage warning -Busy channel lockout -Scan -Dual standby channels Receive prompt function Specifications Frequency Range: VHF 144-148MHz & UHF 420-450MHz Frequency Stability ±2.5ppm Antenna High gain Dual Band antenna Antenna Impedance 50Ω Operating Voltage DC 7.4V Mode of operation Simple or semi-duplex Dimension(W x H x D) 100 x 52 x 32 mm Weight 250g(including battery, antenna) Antenna SMA -Female Earpiece / mic type Kenwood Plug type Transmitter Output power 4W/1W (Max 5W) Modulation Mode 16kΦF3E / 11kΦF3E Maximum deviation