400G QSFP-DD DR4 for 5G Network Deployment|Optech

400G QSFP-DD DR4 for 5G Network Deployment

Introduction to 400G QSFP-DD DR4

As 5G networks demand ultra-high bandwidth, low latency, and scalable optical infrastructure, the 400G QSFP-DD DR4 transceiver stands out as a vital solution. This module supports a 400Gbps data rate over single-mode fiber (SMF) up to 500 meters, making it ideal for front-haul, mid-haul, and data center interconnect (DCI) applications in 5G.

Key Technical Specifications

• Form Factor: QSFP-DD (Quad Small Form Factor Pluggable Double Density)

• Data Rate: 400Gbps (4x100G PAM4)

• Connector: MPO-12/APC

• Distance: Up to 500m over SMF

• Wavelength: 1310nm

• Modulation: PAM4

• Compliance: IEEE 802.3bs, QSFP-DD MSA

Why QSFP-DD DR4 is Ideal for 5G Networks

Bandwidth Scalability

5G infrastructure requires backbones capable of scaling rapidly. 400G QSFP-DD DR4 meets this requirement with a 4x100G parallel architecture, significantly increasing bandwidth per port.

Low Latency & High Density

The module’s compact QSFP-DD form factor allows for ultra-high port density, crucial in space-constrained 5G base stations and edge data centers. It also supports low-latency transmission, essential for real-time applications like autonomous driving and remote surgery.

Interoperability with Existing Infrastructure

400G DR4 optics are interoperable with 100G DR1 modules via breakout cables (4x100G), enabling smooth integration with existing 100G hardware, reducing upgrade friction and cost.

Cost-Efficiency in Dense Networks

By reducing the need for multiple 100G modules, a single 400G DR4 can simplify cabling, lower power consumption per bit, and streamline network architecture.

Application Scenarios in 5G

• Front-Haul Networks: Connect Remote Radio Heads (RRH) with Centralized Baseband Units (BBU) in 5G.

• Edge Data Centers: Support high-bandwidth, low-latency interconnections at the edge.

• Metro Networks: Enable high-capacity links between cell towers and aggregation hubs.

• Cloud RAN (C-RAN): Centralize baseband processing and leverage 400G optics to reduce latency and equipment duplication.

Summary

The 400G QSFP-DD DR4 optical transceiver is purpose-built for the high-speed, low-latency, and dense network requirements of 5G. As carriers expand 5G rollouts and densify base station deployments, this module offers a reliable, scalable, and future-ready optical transport layer.

For telecom operators and data center providers seeking next-gen connectivity, 400G DR4 is not just an upgrade—it's a strategic enabler of the 5G ecosystem.