1000BASE-BX-20U SFP transceiver, for single-mode fiber, 1310 nm wavelength, support up to 40 km
Cisco 1000BASE-BX-20U SFP Transceiver, 1000 Mbit/s, 1000BASE-BX-20, 393700.8" (10000 m), 1310 nm, Wired, 1 W
Cisco 1000BASE-BX-20U SFP Transceiver. Maximum data transfer rate: 1000 Mbit/s, Cabling technology: 1000BASE-BX-20. Maximum transfer distance: 393700.8" (10000 m), Wavelength: 1310 nm. Connectivity technology: Wired. Power consumption (typical): 1 W. Weight: 0.635 oz (18 g)