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Description: 2.4GHz Duck Antenna 2.2dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. 4" long.

The FCC is moving towards Part 15 compliance. All this means is that all the SMA RF connectors are changing gender. Really annoying for those of us who need to mate an antenna to an RF device. The FCC gender change was instituted to prevent home users from damaging RF equipment (think home WiFi) when screwing on an antenna. If all antennas are female, there is no way to damage the center connector. However, you have to be very sure now what kind of SMA connector you need.

Documents:

Comments 11 comments

  • No schematic? haha

  • Will this work for an xBee pro S2B?

  • This antenna is a very good alternative to the ceramic chip antennas. It is a nice size and the build quality is very nice in comparison with some cheap antennas that I have used in the past.
    All in all its a great product for a great price!!!

  • This antenna is a perfect fit for transmitters with the JR/Spektrum 2.4G module (Radio Control Models) and is a great retro-fit item to tidy up the installation. I have tested it to almost BVR (Beyond Visual Range) conditions with no loss of signal.

  • We’ve used these antennas to significantly extend the range of our bluetooth devices.

  • Does anyone know if I can use this antenna with this interface cable (https://www.sparkfun.com/products/662) to connect to an Arduino Yun?

  • Does anyone know if this antenna could be used for GSM cellular applications? Greetings.

  • can i use this antenna with rfid 20?? i’m trying to build up some more range in this device… can someone tell me otherwise what can i do to make it?? thanks

    • Did anybody ever follow up with you regarding this question? I was wondering the same thing.

      • Nope, the ID20 runs at 125KHz not 2.4GHz, you would need to find a 125kHz antenna, also I believe the ID12 and the ID20 already have built in antennas, meaning to add an antenna you would want the ID2/ID3.

  • To estimate the effective radiated power (ERP) multiply the output of your radio by 2.1 This estimate does not take into account losses in the system from the cable, connector, or environment.


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