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SMA connector(SubMiniature A connector) A threaded plug and socket used for coaxial cable and optical fibers. The first optical fiber connector to be standardized, bi-directional transmission requires two cables and two SMA sockets at each end. SMA is specified by the TIA as FOCIS-1. See fiber-optic connectors and FOCIS.
|Amphenol SMA Fiber Connector|
|Amphenol's 905 and 906 series were the first SMA connectors to become widely used. They are available with different hole sizes. (Image courtesy of Amphenol Corporation, www.amphenol-fiberoptics.com)|
|Reverse Polarity (RP-SMA)|
|Reverse Polarity SMA connectors are used for coaxial cable, and the socket contains the pin instead of the plug. RP-SMA connectors are used in this example to attach three Wi-Fi antennas to this TP-LINK wireless router.|
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