A wireless access point is required for connecting wireless devices to a network. Most home networks rely on one wireless router combination device to fill this role. A home automation controller enables low-power wireless communications with simple, non-data-intensive devices such as light bulbs and locks.
I fly passenger Airbus A330s and A340s. I've never flown a cargo only aircraft so I can only answer about the passenger Airbus. We can set the temperature in the back cargo compartment (the hold or the bulk we call it) between 5 degrees Celsius and 25 degrees Celsius. The normal position for the selector is around 15 degrees Celsius.
The 3-1-1 rule limits the amount of liquid you can bring on an airplane in your carry-on luggage. Passengers are limited to using containers no larger than 3.4 oz. for their liquids. All containers of liquid which must be placed in a 1 qt., transparent, plastic, sealable bag.