Brand Names Motorola Model Number MOTO GP328Type Professional Type Handheld Frequency Range 136MHz-174MHz/330MHz-400 MHz(only can use 16 storage channel )/403MHz-470MHz/450MHz-527MHzOutput power 136-174MHz:5W,403-470 MHz/450-527 MHz:4WStorage Channel 16Talk Range 5(km)Operating Voltage 7.2(V) Motorola GP32 power pararmeterspower supplybig standard capacity for your option :HNN9010,PMNN4008,PMNN4045;Nickel-cadmium battery:HNN9011Power Supply Timehight output :8 hour ,low output power :10 hour Motorola GP328 Appearance Parameters Colour Black Size 134×57.5×37.5Weight 420g