The SFP-BIDI transceivers are high-performance, cost-effective modules supporting dual data rates of 1. 0625Gbps and 20KM transmission distance with single-mode fiber. An optical port (60), a circulator assembly (30) and an optical receiving assembly (20) inside the single-fiber bidirectional optical transceiver module are sequentially arranged from left to right, wherein at least part of the structure of an optical transmitting assembly (10) is arranged in the. NINGBO EXACT CABLES & WIRE CO. NINGBO EXACT CABLES & WIRE CO. Add to inquiry basket to compare. Add to inquiry basket. Poe Ethernet Switch, Industrial Ethernet Switch manufacturer / supplier in China, offering SFP28 25gbps CWDM 1270nm~1370nm SMF 10km Duplex LC Optical Transceiver, 1X 10/100/1000base-Tx to 1X 1000base-Fx (TX1310/RX1550nm SMF 60km Single SC) Unmanaged Gigabit Ethernet Poe Industrial Media Converter. The optical communication single-fiber bidirectional technology is used for transmitting and receiving central wavelengths in two different directions, and the WDM technology is used for realizing bidirectional transmission of optical signals on one optical fiber. Conventional optical modules. Spurred by the AI computing boom and large-scale 5G deployment, optical modules, the critical backbone of communication infrastructure, are undergoing a significant shift towards domestic production in China. This movement, transitioning from import dependency to strategic self-reliance, is. Simplex LC interface, hot-pluggable design, and integrated Digital Diagnostics Monitoring (DDM/DOM), it provides real-time performance tracking for critical infrastructure.