EXTRALINK SFP module 1.25G 1310NM 20KM SM DDM(EL-SFP-SM-1G) - The source for WiFi products at best prices in Europe - wifi-stock.com
SFP modules, SM, 10-20km, 155M, LC connector | Home
SFP-5020-WA - Fast Ethernet OC3 or STM-1 BiDirectional single strand WDM SFP transceiver, Tx:1310nm/Rx:1550nm, type A, max range 20Km, single LC connector
12g Video Bidi Sfp Module With Sdi Function 10/20km,12g Sm 1270/1310nm 10km 20km Bi-directional Sdi Sfp Video Transceiver - Fiber Optic Equipment - AliExpress