Ericsson KDU1370071/11 BASEBAND 6631 Including fan

The Ericsson KDU 137 0071/11, commonly referred to as the Baseband 6631, is a high-performance baseband unit designed to meet the growing capacity, flexibility, and scalability requirements of modern mobile networks. As part of the Ericsson Radio System, the Baseband 6631 provides a robust processing platform for LTE and LTE-Advanced deployments while offering a clear path toward future 5G network evolution.

Built for centralized and distributed RAN architectures, the Baseband 6631 enables efficient handling of multiple radio units and frequency bands. Its scalable design allows operators to expand capacity through software and hardware upgrades, ensuring long-term investment protection.

Key Features

• Product Name: Ericsson Baseband 6631

• Part Number: KDU 137 0071/11

• Baseband Platform: Ericsson Radio System

• Technology Support: LTE, LTE-Advanced, 5G-ready

• High baseband processing capacity for multi-carrier and multi-band operation

• Supports centralized and distributed RAN architectures

• High-speed optical interfaces for fronthaul connectivity (CPRI / eCPRI)

• Software-upgradable for feature expansion and network evolution

• Carrier-grade reliability with long operational lifetime

  Designed for High-Capacity and Scalable RAN Deployments

  The Baseband 6631 is engineered to support demanding network environments with high traffic volumes and complex radio configurations. By enabling centralized baseband processing, operators can simplify site architecture, reduce hardware footprint, and improve energy efficiency across the network.

  Its powerful processing capabilities make the Baseband 6631 an excellent choice for LTE-Advanced features, carrier aggregation, and dense macro deployments. At the same time, its future-ready architecture ensures a smooth transition toward 5G technologies as network requirements evolve.

PRODUCT NAME Baseband 6631 with fan
PRODUCT NUMBER KDU 137 0071/11

Baseband 6631 provides switching, traffic management, timing, baseband processing, and radio interfacing

Technical Specs

Optimized for main-remote configurations

Baseband 6631 GSM/WCDMA/LTE/NR is being introduced in network with higher
capabilities than BB6630 HW differences seen SAU/EC removed and IDL ports (Xcede
port) for ERAN replaced by normal SFP port same as TN and should be configured as
10G port.
•New ERAN Cable to interconnect BB6630/BB6631(or 6648)

1Supported standards: 2G,3G,4G,5G
Max throughput
DL 5 Gbps
UL 2 Gbps
Technology support examples
2G SM 48TRX
3G SM 18CC
4G SM 1920MHz Antenna BW
5G SM 1920MHz Antenna BW
2G+3G+4G
12TRX,6CC,960MHz ABW
2G+4G+5G
Capacity TBC
3G+4G+5G
Capacity TBC

Weight 7 Kg
Dimensions 44 mm ( Product Height )
483 mm ( Product Width )
383 mm ( Product Depth )
Mounting options 19″ rack
Cooling method Self Contained same as KDU 137 848/11 BASEBAND 6630

Technical specs and weights – specs 6631-Ericsson PDF

Contact Sales for Quantity, Delivery time and Price -> sales@sparepart4you.com