21030522891 Huawei Huawei BTS/NodeB Base Station Module

The Huawei 21030522891 is a UPBA1 (Universal Processing Baseband Unit Assembly) board designed for Huawei’s mobile network base station equipment. This baseband processing unit handles the digital signal processing functions essential for wireless communication, managing the interface between the radio frequency components and the core network.

The UPBA1 is typically deployed within Huawei BTS (Base Transceiver Station) or NodeB equipment, supporting mobile network operators in delivering 2G/3G wireless services. It provides the computational processing required for channel coding, modulation, and protocol handling in cellular network infrastructure.

This board represents legacy Huawei mobile network technology. As operators have largely transitioned to 4G LTE and 5G infrastructure, the UPBA1 is primarily sought for maintenance and spares support of existing 2G/3G network deployments that remain operational in various markets.

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