I’ve started using this one:
https://www.aliexpress.com/item/1005010319546256.html
With 4 of these (from a pack of 6):
https://www.aliexpress.com/item/1005007911767867.html
And this RAK node (Type 6):
https://www.aliexpress.com/item/1005008285698839.html
So far it’s been working out well! Even when placed inside on the second floor looking out a north facing window, the battery has been kept above 90% and the reception seems pretty good!