Cisco Aironet Very Short 2.4-GHz Omnidirectional Antenna (AIR-ANT2422SDW-R) Technical Specifications Antenna type: Omnidirectional Operating frequency range: 2400-2500 MHz VSWR: 2:1 or less Peak gain: 2.5 dBi Polarization: Linear Azimuth plane 3 dB beamwidth: Omnidirectional Elevation plane 3 dB beamwidth: 50° Length: 1.7 in. (4.3 cm) Diameter: 0.75 in. (1.9 cm) Connector: RP-TNC Environment: Indoor only Operating temperature: 32° F to 131° F (0° C to 55° C)