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 restricts liquids carried on board the plane to one clear quart sized zipper bag per passenger. Bottles must also measure no more than 3.4 ounces. This means, for example, that you can't use a six-ounce bottle that's halfway full. Any additional liquids you need to pack need to be in checked bags.