For further documentation do this.
Download the Drone Scanner App. It is free and works best on Android.
If the drone is a newer model and higher end like (DJI, Autel, newer/higher end Rukos and Holy Stones) you will be able to obtain...
Definitely register them as part 107. I always have to chuckle at the suggestion that you fly "recreational rules" when you have Pt. 107. All of the underlying rules of UAS flight are defined in Pt. 107 and 44809 is simply a set of restrictions...
A couple of months ago I was lucky in that it took a month to get a Care replacement for an Avata 2. (Don't go from a simulator to outside in Acro mode with this drone, get a dedicated FPV drone, LOL). DJI "snuck" it to me via DJI Canada.
Maybe...