1000base-T SFP Converter Is Designed for Gigabit Ethernet 1000base-T Links Over Cat5 Copper Cable Supports 1000MB/S Data Rate - China SFP Transceiver and Compatible for Full Switches
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Ethernet Data LAN Signal Repeater Over CAT5 Cable up to 100 Meters / 300 ft - Buy Ethernet Data LAN Signal Repeater Over CAT5 Cable up to 100 Meters / 300 ft
CAT5 vs. CAT5e vs. CAT6. For More Bandwidth?
Gigabit Fiber Optic Media Converter to UTP Cat5 10/100/1000 - Single Mode 20 km Auto Adapting Gigabit or Fast Ethernet Speed, Jumbo Frame & LLF Support : Amazon.ca: Electronics