WD5M213959AG Huawei Huawei Distributed Base Station Radio Remote Unit

The Huawei WD5M213959AG is a Remote Radio Unit (RRU) model 3959a designed for operation in the 2100MHz frequency band. This unit handles radio frequency transmission and reception functions at cell sites, converting baseband signals to RF signals for wireless network coverage.

The RRU 3959a is deployed as part of Huawei’s distributed base station architecture, where it connects via CPRI fibre to a Baseband Unit (BBU) located separately. This configuration is commonly used in 3G UMTS/WCDMA networks operating on the 2100MHz spectrum, which is a standard allocation for UMTS services across Europe and other regions.

This RRU model represents Huawei’s established radio access network equipment line. As mobile operators continue network evolution programmes, legacy RRU units remain in demand for network maintenance, capacity expansion, and extending the operational life of existing 3G infrastructure.

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