Gigabit networking is the upper echelon of performance especially compared to 10 and 100 mbps connections cisco small business mgbt1 101001000 base t mini gbic sfp transceiver gives you the ability to tap into faster networking speeds with a standard rj 45 connection installation is as easy as sliding it into an accompanying port on a compatible cisco switch please note networking components such as switches routers ups and wireless devices require that speeds amp standards be consis