SMA

SMA connectors with 50Ω impedance are high precision subminiature devices designed for microwave applications up to 18 GHz.
These connectors are produced with brass or high quality stainless steel, whichoffer excellent durability and mechanical strength.
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SMB

SMB connectors with 50Ω impedance are subminiature devices designed for repeatable electrical performance up to 4 GHz.
These SMB connectors offer a simple open/close snap-on coupling feature and which have become very popular in telecommunications, test equipments and instrumentation
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