Amazon.com: ASI ASI-M12-RJ45-11105 M12 4 Position D-Coded Male to RJ45 Male Shielded Cable Assembly, Cat5e SFTP 24 AWG with Black PUR Jacket, 5 M : Electronics
M12 to RJ45 Bulkhead Adapter 8 Pin A Code Waterproof M12 Male to RJ45 Socket
M12 to RJ45 X Code Cat6 Cable, M12 Connector IP68 rated, Gigabit, 3M, 9.8 ft | Eaton
M12 to RJ45 ADAPTER, STRAIGHT, MOLDED TYPE, CODE D, RJ45 to M12 | eBay