External Wi-Fi antenna for i.MX8M SoC

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External Wi-Fi antenna for i.MX8M SoC

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blazeka
Contributor I

Hi,

we are building a product with Coral SoM board which uses iMX 8M SoC and we run into some problems with Wi-Fi connectivity as we could not avoid obstructing the antenna area with metal. 

 

We noticed that the build-in antennas are most like exposed via J1301 and J1302 coax connectors (most likely SWJ or SWH https://www.murata.com/-/media/webrenewal/support/library/catalog/products/switch/switch/o30e.ashx?l... ) as is specified in MCIMX8M-EVK schematics (a similar SoM).

 

question: Is it possible to connect an external antenna through these connectors? If that is the case can you guide us towards a compatible option for Wi-Fi 2.3/5 GHz bands?

 

Thank you!

Adam

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IvanRuiz
NXP Employee
NXP Employee

Hello,

 

Yes, an external antenna can be connected through SMA connector, and it will be necessary to check with a distributor for that external antenna which normally is in the range of 50 Ohms.

 

Have a nice day!

 

BR,

Ivan.

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