KDU137533/4 Ericsson Ericsson RBS Base Station Module

The Ericsson KDU137533/4 is a DUL 20 01 (Digital Unit Light), a baseband processing module designed for Ericsson Radio Base Station (RBS) platforms. This unit handles digital signal processing, baseband functions, and provides the interface between the radio units and the core network transport layer.

The DUL 20 01 is deployed within Ericsson’s macro and distributed base station architectures, supporting mobile network infrastructure for 2G, 3G, and 4G technologies. It serves as a key component in the digital processing chain, managing traffic capacity and connectivity for remote radio units.

This is a legacy baseband unit from Ericsson’s earlier RBS portfolio. While superseded by newer digital unit variants in current deployments, the DUL 20 01 remains relevant for operators maintaining existing network infrastructure or requiring spares for installed base stations.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.