100G QSFP28 ER4丨C-LIGHT

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

By C-LIGHT Marketing丨Aug 3, 2026

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

OTU4 100G QSFP28 ZR4 vs ER4: Specifications, BER Performance and Telecom Applications

By C-LIGHT Marketing丨Jul 10, 2026

Compare OTU4 100G ZR4 and ER4 optical transceivers, including specifications, BER performance, transmission distance, FEC, and why OTU4 is ideal for OTN carrier networks.

Application Practices of QSFP28 100G ER4 in Metropolitan Area Networks

By C-LIGHT Marketing丨Jan 15, 2026

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

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

By C-LIGHT Marketing丨Jan 8, 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

By C-LIGHT Marketing丨Jan 7, 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

By C-LIGHT Marketing丨Jan 6, 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

By C-LIGHT Marketing丨Jan 4, 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

By C-LIGHT Marketing丨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.

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