It's a similar situation with the original "smart controller" for the Mavic 2's... a hellishly expensive accessory. Even today: if you're looking at a 'reconditioned' RM500, the average price for a good one is around the £800 mark.
Looks impressive at 2000 nits brightness and backwards compatablity if you have a Mini 4 Pro or Air 3 onwards.
7 inch screen and auto folding down sticks. Synched gimbal orientation.
Just GBP 885.00 though 😂
Reading your last paragraph, I think you've hit the drone ownership nail squarely on the head before you've "pulled the trigger". You've decided on a specific reason to use a drone, which means you're looking at it as a tool, not a toy.
That's...
Hence it being the mature and proven RID solution capable of ticking every 'electronic conspicuity requirement' box a Government department could possibly dream up with the Aeroscope receiver system similarly mature, proven, easily networked and...
That's their eventual goal with network based id. The sinister end game.
Until then it's normal rid direct (as the original consultation paper designed to get the answer they wanted showed).
All DJIs already broadcast all of that and more over...