Moved your post here for fellow Tinkerers to admire Paul. Imagine what you would pay for similar functionality off the shelf !
I’ve guessed it’s a Pi3 using the inbuilt WiFi ? Some users have found that a little flakey but have no problems adding in a USB dongle with antenna. Some of the Realtek dongles available in Australia need a Linux driver and there is a remarkable fellow called MrEngman who maintains a repository for RTL8192EU drivers.