I have 6 DJI P2 5.8Ghz controllers (TX) with range extenders (RE700) and phone holders installed. all work like new, no issues at all. $ offer / ea. I also have one controller with FPVLR Stage 2 installed - $300 for modified controller, modified RE700 and all the antennas (3 of them). let me know if you need anything. cleaning up the shack and WAAY to many extras that need to find a new home. NAZAs, iOSDs, motors, ESCs,... name it, i have 10 to many of each at least.