I think the only difference between and Advance and a Pro is the camera. The 300A is the best of the series and will work. In fact I think these were the original controllers shipped with the P3A before they switched to the 300B.Question will the GL300a work with the phantom 3 advance
Be sure of what you're getting from that listing (There is a listing on eBay for GL300A for $80.00 US. I got one from him about a month ago. Looks just like new. He has about 10 of them. All I had to do was update the remote controller for the drone it is for and link it to the drone.
I think the only difference between and Advance and a Pro is the camera. The 300A is the best of the series and will work. In fact I think these were the original controllers shipped with the P3A before they switched to the 300B.