A transceiver should not be used by anyone with an unregistered drone, but anyway
I'm sure nobody will want to install such an device if they know they are interfering with airplanes, it's like you call the ATC and tell them .. hey, I'm flying my drone in your airspace, and also tell them your exact location. Nobody will use such an device unless this will become mandatory on all drones,
or
unless someone has an registered drone and want to be as safe and legal as possible, in those cases if he will receive permission to fly above 100m (this is the limit in my country) that airspace will be temporary reserved for that drone pilot. So he will not interfere with anyone, but it's not likely to receive such an permission, to fly a drone above 100m.
The procedure in Romania is very complicated, as it's based on very old rules/legislation. For me as pilot of an registered drone, it's quite annoying because to make a perfectly legal flight with my drone, no matter the altitude I'm flying (10m or 99m) I need to make those steps:
1. 30 days before the flight window I need to send an email to CAA (the same as FAA in US) with the coordinates I want to fly and the altitude.
2. If they approve my flight I have a 1 month window to fly at that location.
3. One day before the flight I need to call the local aviation authority and tell them I want to fly the next day at xx hour, and I have the written permission No. xxxx from CAA
If they also approve it, the area I initially wanted to fly in will be highlighted in the national map of aviation airspace
