Cisco 3dBi Aironet. Antenna gain level (max): 3 dBi, Networking standards: IEEE 802.11n, Impedance: 50 Ω. Polarization: Horizontal polarization, Voltage Standing Wave Ratio (VSWR): 2:1, Cable length: 0.91 m. Width: 106 mm, Depth: 307 mm, Height: 40 mm

The antenna operates in the 2.4-GHz frequency range and is designed for use in an indoor office environment. The antenna assembly consists of three radiating elements, each fed with its own coaxial cable.