Cellphone-Mate Dual Band 5dB Magnetic Mount Car Antenna (CM-200) Place this convenient lightweight antenna on your car roof and connect it to one of Cellphone-Mate's innovative cell phone signal boosters. It connects directly into any of the CM-2000 SureCall Amplifiers. You will see your bars gradually increase and signal performance become better. Features Frequency Range: 806-894 MHz / 1850-1990 MHz Bandwidth: 88-140 MHz VSWR: <2.0 Gain: 5dB at 806-894 MHz / 5dB at 1850-1990 MHz Power Rating: 10 W Input Impedance: 50 Polariation Type: Vertical Connector Type: FME Female Type Only Diameter of Base: 1.62" Height: 12.8" Diameter of the Whip: 0.058" Coax Cable Length: 10' Coax Cable Mechanical Parameter: RG174 or based on customer request *Life Time Warranty available with Cellphone-Mate Cellphone-Mate Dual Band 5dB Magnetic Mount Car Antenna (CM-200)