Well they haven't even got simple texting working yet, external sensors will be years away if at all.
My 84 year old Dad can text me but MIT grads cannot accomplish the simple task.
I would think once an hour to check-in with the server and whenever a rule is triggered.
45 seconds is way to often. I understand it's calling home every 45 seconds to update the dashboard but it has the flip me upside down to do the instant update …
You could use something like this and you wouldn't need to use any voltage. Just hook up the in and gnd to this device and adjust it to close anywhere from 2.5 amp to 135 amps.
http://www.ebay.com/itm/VERIS-HAWKEYE-H908-CURRENT-SWITCH-/19076222658…
I looked at the block diagram of the wifi module and it looks like the external antenna connection is attached to the internal antenna so you could probably just plug in an external antenna and get better range. But i'm just an AC mechanic so I may…