If your gear has a Reverse Polarity SMA-Female (RSF) connector on it, then your cable needs to have RP-SMA-Male.If your gear has a Standard SMA-Female (SSF) connector on it, then your cable needs to have Standard-SMA-Male.I'm using the infographic below to try to give you a simple way to identify the SMA connectors on your gear. When purchasing bulk RF connectors, coaxial adapters, and coax cable assemblies and jumpers it is VERY IMPORTANT that you choose the correct connectors so you don't damage your wireless communication gear. 99% of the time, your device will have the "female" connector, and you'll need a "male" connector on your cable.
RPSMA is normally reserved for 802.11 WiFi or WLAN devices.Standard SMA connectors are commonly used on Cellular 3G 4G LTE devices.Available with zirconia or stainless steel ferrules with custom. So, I thought that our blog would be a good place to clear up any confusion once and for all. The SMA connector family utilizes a threaded coupling nut system for mating and de-mating. How do I tell the difference between SMA and RP-SMA connectors? The SMA connector remains a relevant and key enabler for tomorrow’s instruments, products and procedures which use specialty fibers. Our high quality, durable WiFi antenna coax connectors are the best in the industry. In those days, fiber was multimode and the clad diameters were 125 um and up, to 2 um. RadioLabs RP-SMA Male Coax Connector, fits the most common routers. The most common question that I get on this topic is: The SMA connector was the first connector to be accepted as a widely used standard in the early days of the fiber optic industry. RP-SMA (reverse polarity SMA) RF coaxial connectors. The problem is that there is often confusion concerning the terminology used to describe SMA vs. I get many inquiries each month from customers looking for 50 ohm Coaxial cable assemblies for WiFi, cellular LTE, and 900 MHz modems, gateways, routers and radios with SMA connectors. RFMAX Brand Bulk Coaxial Cables (Comparable specs to LMR195, LMR240 & LMR400)īrowse All Cables, Connectors, and Adapters RFID Antenna Cable (Comparable to LMR195 & LMR240)įor Dell Latitude Gamber Johnson Stationsįor Panasonic Toughbook Gamber Johnson Stationsīuild Your Own Cable Assembly (195, 240, 400 Type Low Loss Cable) It has a silicon rubber O-ring, which separates the main body and coupling nut for dust resistance.VHF No Ground Plane (NGP) | 132 to 174 MHz.The female connector has a 4.32-mm-long thread for coupling.The male connector is equipped with a 5/16-inch hex nut to allow torque by a 1/2-inch wrench.It uses a 1/4-inch-36-thread-type coupling mechanism.Some mechanical features of the SMA connector include: This was apparently done on purpose by the FCC to prevent home users from damaging sensitive RF equipment when screwing on the antenna. The latter is often placed on and attached to a stable device, whereas the former is located on the detachable wire attachment.Ī newer reverse-polarity SMA specification (RP-SMA or RSMA) reverses the polarity of the genders so that the female connector now has the center pin and the male connector has the center receptacle, but the threads and other features remain the same. The male connector is the one with the center pin and inside threads of size 1/4-inch-36, whereas the female connector is the sleeve counterpart that features an outside thread and is used to hold the connection in place. The main features of this connector are its high mechanical strength and high durability, as evidenced by its robust-looking metal construction. The SMA connector is considered a semi-precision, sub-miniature and high-frequency connector that is rated to deliver reliable broadband performance from DC to 18 GHz, with a constant impedance of 50 ohms and low reflection. Techopedia Explains SubMiniature Version A Connector (SMA Connector)
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