The Huawei SFP-10G-LR compatible SFP+ optical transceiver is equipped with an LC duplex connector, reaching a link up to 10km over OS2. Single-fiber bidirectional (BIDI) optical modules must be used in pairs. This product hasn't received any reviews yet. Be the first to review this product! You may return most new, unopened items within 30 days of delivery for a full refund. However, distance is. to 10km with Standard Compatibility. A cost-effective solution that provides high bandwidth and tra x/Rx Wavelength: 1310 nm.