1000BASE-T RJ-45 copper SFP module TRENDnet's 1000BASE-T RJ-45 copper SFP module, model TEG-MGBRJ, converts a standard SFP slot to an RJ-45 Gigabit port for an additional copper connection. This SFP module works with a standard SFP slot commonly found in network switches and fiber media converters. Save equipment costs by using the unused SFP slot of a switch for a copper connection. https://elecena.pl/product/17871748/teg-mgbrj-mini-gbic-1000base-t-rj45 2021-04-24 https://elecena.pl/product/17871748/teg-mgbrj-mini-gbic-1000base-t-rj45 2025-11-07