Does somebody has the documentation of this board.
I received mine. As far as I understood the small- coil soldered antenna is for WIFI / BT while the IPX connector is for LoRa.
Now the tricky part - The Lora receive level with or without attached antenna are the same - 108dbm
I have used
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IPX-SMA cable 15…20cm - https://www.ebay.com/itm/20cm-RG178-Cable-RP-SMA-Female-Plug-Bulkhead-To-IPX-U-FL-Coax-Pigtail-8in-BS1/262569476561?hash=item3d225c41d1:g:xmYAAOSwoydWm9xh
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this type of antenna - https://www.ebay.com/itm/4pcs-lot-Ebyte-868mhz-TX868-JZ-5-2-5dBi-high-gain-SMA-Male-rf-rubber-antenna/192237275389?hash=item2cc23c08fd:g:dpsAAOSw2xRYYxVt
setup - At home , transmitter at second floor receiver basement.
Can somebody confirm the purpose of two antennas?
thanks