Would this work on the radarbox...........
It will, no doubt, atcukmatty. I'm using a simlar (Sirio N2000) alternatively to a Wimo 1090. No significant difference.
Expect you to run it outside. Feed it with it with a low loss!!! coax, not to exeed ~ 10-12 meters, and get it up "as high and free" as you can.
Never connect the Airband Scanner in parallel to it (by means of a "T-piece") as that will at least degrade the RBs operation. (by what is called "impedance mismatch") You might use a "power- / signal splitter" to separate both units from each other.
The antenna is designed for outside operation, the default antenna is NOT.
Karl