Icom F31GT/GS Technical Specifications   Advanced Handportable Transceivers Frequency Range: IC-F31GT/GS 136-174 MHz IC-F41GT/GS 440-430 MHz 440-480 MHz No of channels : Max.256 Ch/ 16 banks Dimensions : 54 x 139 x 38mm Weight (with BP-210) : 420g 256 memory channels. Large full dot matrix LCD (2-line LCD display). Compact and palm friendly shape. Back lit keypad. CTCSS/DTCS encoder/decoder built-in. 5/2Tone, DTMF encoder/decoder built-in. Voice scrambling & Mandown options available. Wide/narrow 25kHz/12.5kHz channels. VOX capability. Windows type cloning software. Two option sockets available. AF compander with Mic gain control provides high quality Audio sound. Flash ROM CPU provides flexibility for future upgrade. Flactional-N type PLL allows Hi speed Tx/Rx switching time. Complies with MIL-810C, D, and E for shock and vibration. Programmable RED colored button available (suitable to assign as an emergency button). 2 year warranty on transceiver. 1650 mAh Ni-MH standard battery. 8 Programmable Keys 9-pin multi connector for accessories etc. Wide amount of available accessories.