DEVICE TYPE: VHF MOBILE RADIO - NUMBER OF CHANNELS: 128 - CONSTRUCTION: RUGGED, DIE CAST ALUMINUM - FREQUENCY RANGE: 134 -174 MHZ - AUDIO POWER: 4W - OUTPUT POWER: 50W - POWER SUPPLY VOLTAGE: 13.6VDC - OPERATING TEMPERATURE RANGE: -22 TO 140 DEGREES F - RF INPUT/OUTPUT IMPEDANCE: 50 OHMS - PLL STEPS: 2.5,5,6.25 KHZ - CHANNEL SPACING: 12.5,15,25,30 KHZ - DIMENSIONS: 6.5"W X 1.8"H X 6.1"D - WEIGHT: 2.87 LBS. - MANUFACTURER: VERTEX STANDARD VX-2200