Signalling - 5-tone, DTMF Power Output - 25W Option Board - Yes Keypad - Yes Display - Yes Emergency Button - No MilSpec - MIL-STD 810C, D & E Weight (gm/kg) - 1.01Kg Frequency -136-162MHz, 146-174MHz,403-440MHz, 438-470MHz, 465-495MHz, 490-527MHz Channels - 10 Dimension (H X W X D) - 44mm x 169mm x 118mmUser friendlyLarge ON/ OFF knob and channel button enable easy operation. 2 Programmable buttons allows access to the frequently used functions such as scan, repeater talkaround, transmitting power level and others. SingleCharacter Alphanumeric display allows quick identification of radio status.Efficient16 pin external accessory port or optional board interface allows easy expansion of radio's capability. 10channels allow users to independently program each channel for their customised need.Compact and Reliable The compact design enables easy mounting even in cramped vehicles Rugged construction built to meet or exceed the stringent Motorola ALT and MIL-STD 810C,D and E