The Axis Communications 5503-871 T94B01D Pendant Kit fits directly to a 1.5” threaded pipe. It also fits with 3/4” threaded pipes by using 2 nuts or an adapter. The 5503-771 indoor coupler is also included. It is designed for mounting the M3004-V Fixed Dome Network Camera.The 5503-771 Indoor Network Cable Coupler is compatible with all Axis network video products. It can be used to connect 2 Ethernet cables with a male RJ-45 connector. It covers a distance of limitation up to 328’ (100m).