Wideband, pre-tuned, no tuning needed; SWR less than 1.5:1 698 MHz to 960 MHz - 3.5 dBi gain; 1,710 MHz to 1,990 MHz - 5.5 dBi gain; 2,100 MHz to 2,700 MHz - 4.6 dBi gain 3-1/4-in. tall black antenna Copper-coated brass precision NMO base; NMO mounting Gold-plated plunger type contact pin, 100 watts power rating 3-3/4-in. strong, heavy-duty magnet Black powder coating on zinc metal magnet housing Soft rubber boot on the bottom of magnet for scratch protection Fully enclosed NMO mount with 12-ft. BR-200 precision RF coax cable for good high-frequency function, tinned copper braid 95% plus bonded aluminum tape, solid bare copper center conductor, extremely high 83% velocity gas-injected foam dielectric and extremely low attenuation for low SWR in all frequencies; precision SMA male connector installed