I really though don’t understand why they are doing this. Isn’t this weight and complexity to the planes? Also, with WN’s size, they really don’t have to be differentiating themselves? They really don’t have to be that niche carrier.
PED (I’m assuming you mean personal electronic devices) are not wired into the aircraft. The wireless will be installed taking into account the aircraft’s electronics.
I mean the system to broadcast the wireless will be set up taking into account the aircraft’s electronics. Yes, it will be wireless to the computers. And no, it won’t go to 147 different laptops unless you count the crew. Southwest’s 737-700’s have a capacity of 137 passengers.