100G QSFP28 ER4丨C-LIGHT

Application Practices of QSFP28 100G ER4 in Metropolitan Area Networks

Jan-15-2026

The design of the QSFP28 100G ER4 optical transceiver fully considers the transmission requirements of metropolitan area networks (MANs).

100G ER4 vs. LR4: A Transceiver Selection Guide for Long-Haul Applications

Jan-13-2026

100G optical transceivers are core components of high-speed networks, with ER4 and LR4 being two mainstream long-distance solutions.

QSFP28 100G ER4 Optical Module:Technologies and Applications for 40km Transmission

Jan-08-2026

QSFP28 100G ER4 optical module, with its compact design and robust 40km transmission capability, has emerged as a core component enabling high-performance network expansion.

100G QSFP28 ER4 40KM Transceiver

Jan-07-2026

100G QSFP28 ER4 40KM Transceiver is delivers 100G data transmission over 40km maximum distance via LAN-WDM technology at 1310nm wavelength.

QSFP28 100G ER4 1310nm 40Km LC

Jan-06-2026

‌QSFP28 100G ER4 Optical Transceiver‌ utilizes 1310nm wavelength laser technology to achieve ‌40km long-haul transmission‌ over single-mode fiber via ‌duplex LC connectors‌.

100G QSFP28 ER4 : A Reliable Choice for Long-Reach High-Speed Transmission

Jan-04-2026

100G QSFP28 ER4 optical module is an optical transceiver solution designed for long-distance, high-performance data communication.

QSFP28 ER4 1310nm 100G 40km Optical Transceiver

Dec-29-2025

QSFP28 ER4 1310nm 100G 40km Optical Transceiver is a high-performance, long-reach solution for 100G networks. By leveraging 4x25G lanes, LAN-WDM multiplexing, and APD-based high-sensitivity receivers.

In-Depth Analysis of the QSFP28 100G ER4 Optical Module

Dec-18-2025

QSFP28 100G ER4 optical module becomes a critical component for achieving ultra-long-distance 40 km, 100 Gbps high-speed interconnection.

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