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Continue to Chathttps://www.longlinestore.com/h3c-sfp-ge-10-sm1310-bidi-compatible-1000base-bx-bidi-sfp-1310nm-tx/1550nm-rx-10km-dom-simplex-lc-smf-transceiver-module - H3C SFP-GE-10-SM1310-BIDI Compatible 1000BASE-BX BiDi SFP 1310nm-TX/1550nm-RX 10km DOM Simplex LC SMF Transceiver Module