1. GENERAL 1.1 GENERAL This equipment, JDF-14H/K is called 2 way portable handheld radios. The frequency range is 462~467MHz, UHF operating channels for international 2 way portable radios, 1.2 CHARACTERISTIC a) All active device in this radio is composed of semiconductor and high density IC. C) CPU of this equipment is HD404889 from HITCH, d) It's power can operate by use of alkaline 4 AAD) battery or 4.8V MH PACK. 1.3 COMPOSITION This radio is composed of following.