... from the power supply Decription of Functions:1,Dual band,Dual frequency,Dual display and Dual standby2,Frequency range:136-174MHz&400-470MHz136-174MHz&460-520MHz3 ... ,Keypad lock(Auto/Manual)28,Adding scanning channel29,Computer/manual programmable30,Menu/Channel reset31,Channel name editable32,Reverse frequency function33,TOTsetting34,Band ...