Interface Cable SMA to U.FL - 100mm

This is a 4" connector cable that interfaces U.FL RF connectors to regular SMA connectors. This cable is commonly used to connect larger GPS antennas and quad-band cellular antennas.

Interface Cable SMA to U.FL - 100mm Product Help and Resources

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Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • Spokkam / about 9 years ago / 1

    Does this antenna operate on the 2.4Ghz band and is it ideal for the XBee 1mW U.FL Connection - Series 1 (WRL-08666)?

    • M-Short / about 9 years ago / 1

      This is not an antenna, it is just an adapter cable that lets you use an SMA antenna with a module that only has a u.FL connection. But it will work with the XBee u.FL modules.

      • Spokkam / about 9 years ago / 1

        Oops. Thanks for pointing that out. Posted a little too early. :p

  • timothy1324 / about 10 years ago / 1

    Are the SMA connectors waterproof?

  • slouis / about 11 years ago / 1

    How are people mounting this to a PCB? Are there any angle brackets suitable for PCBs? I don't have an enclosure to mount the bulk head directly to.

  • Aristarco / about 11 years ago / 1

    I'm confused. Is this the cable I need to connect my WiFly shield to an antenna like the black one in my PC's Wi-Fi card? Or do I need the other one sold here (WRL-00662)? Please, help.

    • If this is the Wifly shield you have, then yes, this is the correct cable to connect the module to an external antenna that has an SMA connector on it. The RP-SMA interface cable would also work, but would require an external antenna with an RP-SMA connection.

  • Member #74195 / about 12 years ago / 1

    Anybody know if there is a source for a replacement U.FL connector on this? Seems ridiculous to have to buy a whole new cable if the connector goes bad.

  • Member #133410 / about 12 years ago / 1


    You probably want the RPSMA version I got caught by this!!

    Sparkfun - Can you add a warning in flashing ink?

  • BiOzZ420 / about 13 years ago / 1

    works grate with extending the signal on my droid with your CEL-00290 antenna when driving in places with poor reception
    pop the battery cover off slip this in screw on the SMA and when your mother in law wont shut up you fiddle with the plug breaking up the reception and pull it :3

  • Member #172027 / about 13 years ago / 1

    This interface can be use for the XBee Pro 900 XSC U.FL? this model of xbee dont have antenna, that antenna can be used?

    • You are correct. This is the adapter cable we recommend for the U.FL Xbees.

      • nanogear / about 12 years ago / 1

        This interface can be used to connect a video signal?

        • SMA and u.fl is traditionally for antennas.

          • nanogear / about 12 years ago / 1

            Yep, true! But based in your experience, can this cable interface be used to connect a video signal? Thanks

            • I don't think it would be suitable. You need a 75 ohm cable. There are numerous options specifically for video transmission.

  • N8B / about 14 years ago / 1

    The best thing we can do here at Sparkfun is be consistent. So we are consistent with the tutorial that we wrote:
    According to the tutorial this cable has a old school female SMA. This is because there is no pin in the center of the connector and the threading is exposed. A female RP-SMA would still have the threading exposed but would have a pin in the center (lousy FCC).

  • Yep, your right, sorry about that!

  • JonathanF. / about 15 years ago / 1

    SOMETHING HERE IS WRONG. The photo and description do not match. In the photo, there is a U.FL plug (female tines) on one end and an SMA REVERSE POLARITY Female connector on the other. However, the description clearly believes that this is not the case. The linked datasheet agrees with the PHOTO, not the description (actually it is not entirely clear since it is a multipart number drawing).

Customer Reviews

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Easy to way to install antennae connector to enclosure, good build quality, just be careful with that small connector.

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Extra range for a Raspberry Pi ZeroW

Adding a U.FL connector on the pads provided on the Pi-ZeroW and a gain antenna to a Raspberry Pi Zero-W and greatly increase the range