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Finding Larger 3rd Party NFC Antenna

samdaly

Hello - 

Any advice on finding a connector from a standard NFC Antenna to the Molex 051281-0594 connector on the Nordic Thingy:52 Board?

I am trying to find a larger NFC Antenna for the Nordic Thingy: 52 board than the standard antenna. I need to read in signals from mobile phones. There are many NFC Antennas out there (example: https://www.taoglas.com/product/fxr08-nfc-flex-antenna/), but my main issue is finding a connector to the standard Molex 051281-0594 (https://www.molex.com/molex/products/datasheet.jsp?part=active/0512810594_FFC_FPC_CONNECTORS.xml&channel=Products&Lang=ja-jp) connector on the Nordic Thingy: 52 board from the NFC Antenna. 

Ideally I find a larger Antenna do I do not need to solder to some connector, but it seems like soldering may have to happen. This (https://www.digikey.com/product-detail/en/parlex-usa-llc/050R5-76B/HFF-05U-03-ND/660039) is the closest I have come to finding a connector but unclear how to connect it to the two leads on the NFC Antenna. There seem to be a lot of NFC Antennas that use the ACH(F) connector to boards. 

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    If you're switching to another antenna than the default one on the NRF52 Thingy then you might have to change some components in the NFC antenna matching.  Are you interfacing the antenna to the stock nRF52 Thingy or are you making your own custom variant?

    The NFC pins are not broken out to the headers so if you want to use another connector, you will have to de-solder the existing molex one and then solder on a new one to the pads of the old connector. 

    Best regards

    Bjørn

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  • 0

    If you're switching to another antenna than the default one on the NRF52 Thingy then you might have to change some components in the NFC antenna matching.  Are you interfacing the antenna to the stock nRF52 Thingy or are you making your own custom variant?

    The NFC pins are not broken out to the headers so if you want to use another connector, you will have to de-solder the existing molex one and then solder on a new one to the pads of the old connector. 

    Best regards

    Bjørn

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