WD5M9E392901 Huawei Huawei SingleRAN BTS3900 Radio Remote Unit

The Huawei WD5M9E392901 is an RRU3929 Remote Radio Unit, a distributed base station component designed for LTE wireless network infrastructure. The RRU3929 handles radio frequency transmission and reception at the antenna site, connecting via fibre optic CPRI links to the baseband unit located at a central equipment room.

This remote radio unit forms part of Huawei’s SingleRAN base station architecture, supporting mobile network operators in deploying LTE coverage across macro cell sites. The distributed design allows for shorter feeder cable runs and improved RF performance compared to traditional integrated base station configurations.

The RRU3929 is a legacy product from Huawei’s earlier LTE portfolio. While superseded by newer generation remote radio units, it remains deployed in established networks and is suitable for maintenance spares or network extension projects where equipment compatibility with existing infrastructure is required.

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