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Amazon.com: 10Gtek a Pair of 10G SFP+ Bidi Transceiver, LC Single-Mode Single Fiber Module, 10GBASE-BIDI 1270nm/1330nm for Cisco SFP-10G-BX20D-I/ SFP-10G-BX20U-I, Ubiquiti UniFi, Mikrotik, and More, DOM, 20km : Electronics
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Hikvision HK-SFP-1.25G-20-1550(O-STD) , SFP Module , Small form factor pluggable (SFP) MSA compatible , Single fiber bi-directional LC connector - Proserve LLC
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Amazon.com: 1.25G SFP 1310nm Single-Mode Module SMF 1000Base-LX, Up to 20 km Transceiver for Cisco GLC-LH-SMD,Ubiquiti UniFi,Meraki MA-SFP-1GB-LX10,Intel,Fortinet,Mikrotik,D-Link,Netgear,TP-Link TL-SM311LS : Electronics
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