TP-Link TL-SM321A network transceiver module Fiber optic 1250 Mbit/s SFP

A compact mini‑GBIC transceiver that pushes 1.25 Gbps over single‑mode fiber via WDM, emitting at 1550 nm and receiving at 1310 nm. With an LC interface it handles up to 10 km, perfect for high‑speed backbone links.

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