I'd also put it in plastic pvc piping to protect it from being squashed by the earth on top of it.
I would have it made. I've got the tool, but no experience, and my client has mega-bucks.
Satellite is slow and unreliable, but nothing else is available except 3G and we may end up with that.
I like the PVC idea.
This would be the only cable.
I learned my lesson digging up my concrete driveway after my only one failed!