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Addon Networks Sfp-49D-Ao Network Transceiver Module Fiber Optic 1000 Mbit/S 1490 Nm 500va ups but the key differencebetween themRad SFP 49D Compatible TAA Compliant 1000Base CWDM SFP Transceiver (SMF, 1490nm, 80km, LC, DOM) AddOn Networks SFP 49D AO. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1000 Mbit s, Interface type: SFP This Rad SFP 49D compatible SFP transceiver provides 1000Base CWDM throughput up to 80km over single mode fiber (SMF) at a wavelength of 1490nm using an LC connector. It is guaranteed to be 100% compatible with the equivalent Rad