The Antenna Factory CBS20180A Cavity Backed Spiral Antenna has a frequency range of 2-18 GHz. The gain minimum is -4 dBic. The Axial ratio maximum is 3 dB. The Antenna Factory CBS20180A uses SMA-Female connectors and has dimensions of 61.5 mm × 50 mm.
(see important specifications at next tab)
Connector: SMA Female
Frequency Range: 2-18 GHz
Gain: -4 dBic
VSWR: ≤ 2.5
Nominal-Impedance: 50Ω
Diameter / Dimension: 61.5 mm x 50 mm