SRI CONNECTOR GAGE’S SMA (Sub-Miniature) series are precision connectors designed for microwave applications DC through 18 GHz. The SMA series are intermateable with 3.5mm & 2.9mm series connectors. Electrical - Nominal Impedance: 50 ohms - Frequency: DC-27 GHz - Temperature Rating: -55 deg. C to + 100 deg. C - VSWR: 1.2:1 to 27 GHz