The database will be established and administered by a third party, or parties, to be selected through a public notice process to solicit interested parties.
1. Such a database can't be operated at no (or low) cost.
The locations where wireless microphones are used, such as entertainment venues and for sporting events, can be registered in the database and will be protected as for other services.
2. Registering such devices will most propable cost money to keep up with the expenses needed for operating the database.
3. To save money people won't register their devices.
4. ???
5. Pro...erm... Interference.
Or at least give useful information [...]
You must be new here.
(which, predictably, has already been hacked)
If you want to put yourself on the map, publish your own map.