WD5M215904GB Huawei Huawei SingleRAN BTS Radio Remote Unit

The Huawei WD5M215904GB is an RRU5904 Remote Radio Unit designed for multi-mode operation on the 2100MHz frequency band. This unit handles radio frequency transmission and reception at the cell site, connecting to the baseband unit via CPRI fibre links to deliver mobile network coverage.

The RRU5904 is part of Huawei’s distributed base station architecture, typically deployed in SingleRAN and multi-mode LTE/UMTS networks. It mounts at the antenna location on towers, rooftops or poles, reducing feeder loss and improving network efficiency compared to traditional macro base station configurations.

The 2100MHz band configuration makes this unit suitable for UMTS (3G) and LTE deployments operating in the commonly allocated 2.1GHz spectrum. As mobile network technology continues to evolve, operators maintaining legacy 3G services or running multi-standard networks may require these units for ongoing operations or capacity expansion.

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