100G QSFP28 ZR4 long-haul transceiver — 80km with KR4-FEC, EML + SOA/PIN receiver, cost-effective long reach.
The 100G QSFP28 ZR4 is engineered for ultra-long-haul links, reaching up to 80km over SMF with KR4-FEC — filling the gap between 40km ER4 and costly coherent modules. A high-power EML laser transmits while an integrated SOA + PIN receiver preserves ultra-low BER across the full 80km span.
40-80km cross-campus / cross-city DCI, 4G/5G mobile backhaul and metro backbone long-haul, long-reach fiber sensing in power and transport.
Validated on mainstream switch and router platforms
End-to-end DCI solution based on coherent optics, WDM, OTN and optical line systems, supporting 100G/400G/800G high-speed data center interconnect.
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Expand existing fiber capacity 8-96x via CWDM/DWDM multiplexing without laying new fiber — protecting prior investment.
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