Approvals R&TTE ATEX Class II 2G Ex ib IIB T4 Marine approval IEC60945 CHANNELS AND FREQUENCIES Frequency range 440 - 470 MHz Channel Separation 25kHz/12.5kHz Pre-programmed channels 16 Additonal programmable channels 85 ATIS call sign programmable X FEATURES Squelch control X Transmitter power (Hi/Lo) (radiated) 2X/0,4W Dual watch, Tri-watch, scanning X Call Channel Program and Selection X Red back light with dimming X Keypad lock X Keypad beep On/Off X Backlit keypad X Light on key press or manual only X Display contrast X CTCSS X Scrambler X Battery save function X Water Ingress Protection IP67 Operating temperature ÷20°C to +55°C Weight with battery 350g Battery level indicator X BATTERY 1800 mAh Rechargeable Li-Ion battery X 3000 mAh Non Rechargeable Li-Ion battery (Option) X