Cisco Aironet 2.4-GHz/5-GHz 8-dBi Directional Antenna AIR-ANT2588P3M-N Specifications: Antenna type 3-Element Dual-Polarized Patch Operating frequency range 2400 to 2500 MHz 5150 to 5900 MHz Nominal input impedance 50 Ohms VSWR 2:1 or less Peak gain 8 dBi (both bands) Polarization Linear, Dual Elevation Plane 3-dB Beamwidth 30° Azimuth Plane 3-dB Beamwidth 120° Sidelobe level < -20 dBc Front-to-back ratio > 10 dB Length 12 in. (30.48 cm) Width 7 in. (17.78 cm) Height 1.1 in. (2.79 cm) Weight 16 oz. (0.45 kg) Connector type N-Female Bulkhead (x3) Operating temperature range -40° to 131° F -40° to 55° C