You need an external ant option for you controller to access WiFi so it could be mounted in a metal outdoor weatherproof enclosure?
We offer a weatherproof enclosure that should not affect wifi connectivity! Let me know if that helps.
An external antenna would be perfect for my existing outside electrical box. My car charger has one.
I agree. An external antenna adapter would allow me to use these controllers in HOAs and commercial applications. It would be useful when replacing existing controllers that are out of range of WiFi. A yagi antenna could make installations far from WiFi possible.