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Expedition data via wifi to Garmin GNX 120?

I have an H5000 (performance) processor linked to Expedition via wifi over the websocket. I'm considering garmin GNX 120 displays. What are my options to get expedition data to the Garmin custom channels without using a cable to the computer? Is there a way to get the custom data from the H5000 processor, or can I get it from the wifi router using an ethernet cable? My computer is a rugged tablet and I prefer to keep it mobile.

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If you want to remain wireless, you could add a Moxa Nport 5110 device for serial to ethernet - using an Actisense NGT-1-ISO - I use this setup wired, however do not see any reason why it would not work over your wireless access point.

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