Fairview Microwave SMA female to BNC female adapters in this category are RF coaxial. SMA Female to BNC Female adapters are available in 50 Ohm impedance. These interconnects include straight body style in standard polarity. SMA female to BNC female adapters are manufactured with brass and passivated stainless steel bodies and have bulkhead, 4 hole panel mount flange or mountless for some models. These adapters from Fairview Microwave are in stock and ship the same day from our warehouse.