I'm adding FPV to my Phantom2. When installing the Hub do I still need the anti- interference board that comes with the new zenmuse 3D? If so where does it get installed, between the P2 and the Hub, or the Hub and the zenmuse....the instructions only refer to the 2D zenmuse.....thanks

You can instanll in onto the mainboard.
There is spare space on the mainboard for this installation