Amazon.com: A Pair of 1.25G SFP+ Bidi Transceiver, LC Single-Mode Single Fiber 1000Base-BIDI Module for Cisco 1000BASE-BX3-U/1000BASE-BX3-D, Ubiquiti UniFi UF-SM-1G-S and More, SMF 1550nm/1310nm, DDM, up to 2km : Industrial & Scientific
34061964 - Huawei LTF2325-BH+
For Cisco GLC-BX-U & GLC-BX-D A pair of SFP Bidi Transceiver 1000Base- BIDI 20KM | eBay
BiDi Transceiver: What You Should Know?
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