It's odd that you are having this kind of connection problem. WiFi traffic goes through the access point, not direct device-to-device unless you have some unusual and specific configuration set up (such as a mesh network?).
Thus, I'm left to consider these possibilities:
1. You're actually...
Thanks all for your comments. I didn't do a probe test, haven't needed to before, but will next time, and will keep the point out there a bit longer if needed.
Private note to Charles: Be careful about saying that anything is the "old cow's fault". I've known divorces that started that way....
I've got a Recteq 700, still experimenting with it. I've cooked a number of briskets (and other low and slow meats) before on a variety of appliances (a Weber kettle which oddly was my first brisket and came out perfectly), a stick-burner, and an inexpensive pellet grill when I was first trying...