1 - No. keep in mind that this is built around 1970's retro tech. They would need a wired connection.
2 - I actually like the dice pool, but I would have added more black with the caveat mentioned above.
The "this is 70s tech" is a GM cop-out. It was a 70's way to display what they thought was future tech. Just because it was displayed one way doesn't mean it "works" that way. As I mention above, take Star Wars: Rebels, they remotely activate a Holonet Transceiver, but do so because they pre-installed a physical dataspike that enabled the remote connection.
There is a sizable number of people who will disagree with your opinion on answer one. That said, its an opinion and if you want to have wireless tech in your game more power to you.
Star Wars: Rebels = canon.
Rebels has wireless tech.
Therefore, Star Wars has wireless tech.
People can dislike it all they want, that doesn't magically make canon go away until the owner (Disney) changes their mind.
If you want to not use wireless tech, that is perfectly acceptable but you are needlessly gimping your Players and hamstringing them for no reason.
That being said, even in Star Wars: Rebels there were limits, aka, they needed the dataspike. After that their range didn't seem to matter. Basically the dataspike acted like a wireless router. The fun part you learned from that episode is that the Empire does not have a means to blanket stop a wireless connection (jamming?) and decided destruction was easier/quicker.
I was going to let this fade away but as you wish.
The data spike was programmed to do the hacking for them. After the data spike did the hacking it used radio waves to transmit audio only. No further hacking occurred. Therefore there is no reason to assume wireless data transfer.