TE Connectivity 1888251-4 is a Cat5e rated modular jack with 8P8C (RJ45) configuration, 4 ports in a single row, right angle orientation, shielded with EMI finger, and press-fit termination.
TE Connectivity 5406566-2 is a shielded modular jack with 8p8c (RJ45) configuration, 2 ports, through hole mounting, right angle orientation, and Cat5 rating.
TE Connectivity 5406562-2 modular jack connector with 8p8c (RJ45) configuration, 2 ports, 1 row, right angle orientation, through hole mounting, solder termination. Shielded with EMI finger, gold contact finish, and board guide feature.
TE Connectivity 520426-4 is a 1-port modular jack with 8p8c (RJ45) configuration, through hole mounting, right angle orientation, unshielded, with board lock feature.