The GDTX-S-88 is a vertical shielded Cat5 modular jack from Kycon Inc. with 8p8c (RJ45) configuration, through hole mounting, and gold-plated contacts.
Edac A00-108-220-450 is a vertical through-hole modular jack with 8P8C (RJ45) configuration. It features unshielded design, gold-plated phosphor bronze contacts, and board lock.
Edac A00-108-622-450 is a shielded modular jack with 8P8C (RJ45) configuration, 1 port, vertical through-hole mounting, solder termination, and includes a board lock feature.