STC-QSFPDD-ER4-40KM – 200G QSFP-DD ER4 40km Transceiver

High-performance 200G long-reach optical transceiver – up to 40km over single-mode fiber

Product Overview

The STC-QSFPDD-ER4-40KM transceiver from Swedish Telecom is designed for 200Gbps Ethernet links across long-haul distances of up to 40 kilometers. It complies with IEEE 802.3cn 200GBASE-ER4 and QSFP-DD MSA standards. Featuring 4-channel LAN-WDM optics and PAM4 signaling, this transceiver delivers 212.5Gbps aggregate bandwidth with robust optical performance and advanced diagnostic features.

Key Features

• 200GBASE-ER4 compliant (IEEE 802.3cn)
• 4-channel 53.125Gbps PAM4 optical transmission (LAN-WDM)
• Duplex LC connector interface
• Up to 40km reach over SMF
• QSFP-DD MSA and 200GAUI-4 compatible
• Power consumption: 10.8W
• Hot-pluggable with digital diagnostics (DDM)
• Ideal for data center interconnect (DCI) and telecom networks

Typical Applications

• Long-haul data center interconnects (DCI)
• Carrier transport networks
• Telecom aggregation/backbone
• 5G backhaul

Technical Specifications

Compatibility

• Cisco, Juniper, Arista, HP/HPE, PaloAlto, Juniper, NVIDIA and Others on request (custom coding available)

Why Choose Swedish Telecom Opto?

• European-based support & logistics
• Full multi-vendor compatibility
• Extensive QA testing with performance reports
• Customized stock for projects and repeat supply
• 100% verified and coded
• Lower cost – no brand tax
• Trusted since 2004

Need a Quote or Sample?

This module is available in volume or with custom tuning.

👉 Request a quote or contact our optical team today. sales@swedishtelecomopto.com