If you cant find one available it is pretty easy to make one using a pogo-pin ribbon and a LoRa module, I cant remember the product mumber it might be on the LoRa caseback product page I think the module was under $5 a few years ago. Currently it is only serial communications where you need to write your own software.
if you go the DIY route it is super easy to cut a slit into a standard caseback and then kapton tapi it down then cover with ABS/acetone cement I just use 3D print ABS scraps and store in a polyethelyne bottle. It is literally among the easiest pogo-pin DIY hacks if you dont mind a melted ABS looking caseback.
(edit)It looks like there is an attiny inline to control the I2C so maybe not as easy
if you go the DIY route it is super easy to cut a slit into a standard caseback and then kapton tapi it down then cover with ABS/acetone cement I just use 3D print ABS scraps and store in a polyethelyne bottle. It is literally among the easiest pogo-pin DIY hacks if you dont mind a melted ABS looking caseback.
(edit)It looks like there is an attiny inline to control the I2C so maybe not as easy