The opening for the WLAN antenna connector is a bit oversized and unsealed. If you want to keep the heat inside the chamber, you should seal it.
Just unscrew the antenna, mount the seal, and screw the antenna back.
Take a look at the photo gallery. The pictures should be self-explanatory.
Use TPU for printing. It should be easily withstand higher chamber temperatures.
If you like my design, feel free to like, comment or add a make :)
Happy printing!
The author marked this model as their own original creation.