![Amazon.com: 10 Pack 1.25G SFP LC Module 1000Base-LX (SMF,1310nm,20km,DDM) Single-Mode Transceiver for Cisco GLC-LH-SMD,Ubiquiti UniFi,Meraki MA-SFP-1GB-LX10,Fortinet,Mikrotik,TP-Link,Netgear,TL-SM311LS,D-Link : Electronics Amazon.com: 10 Pack 1.25G SFP LC Module 1000Base-LX (SMF,1310nm,20km,DDM) Single-Mode Transceiver for Cisco GLC-LH-SMD,Ubiquiti UniFi,Meraki MA-SFP-1GB-LX10,Fortinet,Mikrotik,TP-Link,Netgear,TL-SM311LS,D-Link : Electronics](https://m.media-amazon.com/images/I/71VhbOWuaRL.jpg)
Amazon.com: 10 Pack 1.25G SFP LC Module 1000Base-LX (SMF,1310nm,20km,DDM) Single-Mode Transceiver for Cisco GLC-LH-SMD,Ubiquiti UniFi,Meraki MA-SFP-1GB-LX10,Fortinet,Mikrotik,TP-Link,Netgear,TL-SM311LS,D-Link : Electronics
Why is 850 nm and 1310 nm used in optical fiber though 1550 nm has minimum attenuation per kilometer? - Quora
![Mikrotik S-31DLC20D SM 1310nm single-mode fiber 1000BASE-SX Module with dual LC-type connector and DDM :: Fiber and Ethernet :: ICD Group, Inc Mikrotik S-31DLC20D SM 1310nm single-mode fiber 1000BASE-SX Module with dual LC-type connector and DDM :: Fiber and Ethernet :: ICD Group, Inc](https://www.roc-noc.com/images/P/S-31DLC20D_500.jpg)
Mikrotik S-31DLC20D SM 1310nm single-mode fiber 1000BASE-SX Module with dual LC-type connector and DDM :: Fiber and Ethernet :: ICD Group, Inc
![Customized SFP Mode Fiber Optic Transceivers 4G 40km 1310nm Manufacturers, Suppliers - China Factory Direct Price - HTF Customized SFP Mode Fiber Optic Transceivers 4G 40km 1310nm Manufacturers, Suppliers - China Factory Direct Price - HTF](https://www.htfwdm.com/uploads/202023090/4g-smf-1310nm-40km-sfp-footprint40131317416.jpg)
Customized SFP Mode Fiber Optic Transceivers 4G 40km 1310nm Manufacturers, Suppliers - China Factory Direct Price - HTF
![Amazon.com: 2pcs Industrial SFP Module 1.25Gb/s 20km Fiber Transceiver Duplex LC 1310nm Single-Mode DDM : Electronics Amazon.com: 2pcs Industrial SFP Module 1.25Gb/s 20km Fiber Transceiver Duplex LC 1310nm Single-Mode DDM : Electronics](https://m.media-amazon.com/images/I/611u2IQUnSL.jpg)
Amazon.com: 2pcs Industrial SFP Module 1.25Gb/s 20km Fiber Transceiver Duplex LC 1310nm Single-Mode DDM : Electronics
Tripp Lite Fiber Optic 10/100BastT to 100BaseFX-ST Multimode Media Converter 2km 1310nm - fiber media converter - 10Mb - N784-001-ST - Transceiver Modules - CDW.com
![100g Qsfp28 Lr 10 Km 1310nm Fiber Optic Transceiver SFP Module - China SFP Module, 100g SFP | Made-in-China.com 100g Qsfp28 Lr 10 Km 1310nm Fiber Optic Transceiver SFP Module - China SFP Module, 100g SFP | Made-in-China.com](https://image.made-in-china.com/2f0j00fKZhvUoMknkc/100g-Qsfp28-Lr-10-Km-1310nm-Fiber-Optic-Transceiver-SFP-Module.webp)
100g Qsfp28 Lr 10 Km 1310nm Fiber Optic Transceiver SFP Module - China SFP Module, 100g SFP | Made-in-China.com
![OPC-1300 - Optical Path Converter (fiber saver) for 1310nm wavelengths converts a duplex circuit to a single fiber circuit, passive and speed independent device OPC-1300 - Optical Path Converter (fiber saver) for 1310nm wavelengths converts a duplex circuit to a single fiber circuit, passive and speed independent device](https://cdn11.bigcommerce.com/s-ud26lew7xv/images/stencil/1280x1280/products/2359/3490/OPC-Series-webopt__66119.1646524607.jpg?c=2?imbypass=on)