Microchip RN2483 LoRa module - what to do with unused antenna port?

[TomS_]

Hi all.
 
I am designing a little personal project using an RN2483. Im based in Europe so I dont need (cant use) the 433MHz antenna.
 
What should I do with that antenna port if I am not going to use it? Im no RF expert, but I believe it should be terminated if not used or connected to an antenna. Should I "simply route it through a 50ohm resistor to ground"?
 
Thanks!

[jc101]

One of the Microchip demo boards, which is 833 only, just has a controlled impedance 50 trace to a large via from the look of it, it isn't terminated.

You can always use the Wireless design check service from Microchip, which is free.  Bottom of the page https://www.microchip.com/en-us/support/design-help/design-check-services

[TomS_]

it isn't terminated.

Interesting.

I wonder if the unused radio is simply disabled then (perhaps based on the configured frequency). The datasheet is not clear about what happens.

The big via might just be so you can solder on an antenna. A previous topic I started around this module seemed to come to the conclusion that it would probably even work without an attached antenna, even if not strictly technically correct. My plan therefore is to use a piece of wire "about the right length" soldered to a pad immediately at the output from the radio module and hope for the best.