SM4985 is a precision SMA male to SMA male adapter from Fairview Microwave designed for RF and microwave applications. The adapter features a straight body geometry with 50 ohm impedance, constructed from passivated stainless steel with gold-plated beryllium copper contacts meeting MIL-STD-348 interface specifications. It operates across a frequency range from DC to 27 GHz with a maximum VSWR of 1.15:1 (1.1:1 up to 18 GHz), and is rated for 500 mating cycles with a mating torque of 8 to 10 in-lbs. The adapter measures 0.77 inches in length and weighs 5.22 grams, operating reliably over a temperature range of -55°C to +165°C. Common applications include general purpose test and precision test & measurement environments where connector protection and reliable RF signal transmission are required.