
Huawei WD5M18590900 RRU5909 multi-mode remote radio unit for 1800MHz LTE/GSM networks.
The Huawei WD5M18590900 is an RRU5909 Remote Radio Unit designed for multi-mode operation on the 1800MHz frequency band. This radio unit supports concurrent GSM and LTE transmission, enabling mobile network operators to deploy both 2G and 4G services from a single hardware platform through software-defined radio technology.
The RRU5909 is part of Huawei’s distributed base station architecture, connecting via CPRI fibre to a centralised Baseband Unit (BBU). This configuration is deployed across macro cell sites, rooftop installations, and tower-mounted scenarios where the radio head is positioned close to the antenna to minimise feeder loss and improve signal quality.
As a multi-mode unit, the RRU5909 series was developed to support network modernisation and spectrum refarming projects, allowing operators to transition legacy GSM spectrum to LTE whilst maintaining 2G coverage. This model is now considered legacy equipment as operators have progressed to more recent RRU generations and 5G deployments.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | Huawei OptiX OTN/DWDM |
|---|---|
| Manufacturer | Huawei |

| Platform | Huawei PARC |
|---|---|
| Manufacturer | Huawei |

| Platform | Huawei BTS/BBU |
|---|---|
| Manufacturer | Huawei |

| Platform | RTN Microwave |
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| Manufacturer | Huawei |

| Platform | Huawei OTN |
|---|---|
| Manufacturer | Huawei |

| Platform | RRU 3929 |
|---|---|
| Manufacturer | Huawei |

| Platform | Huawei SingleRAN BTS3900/DBS3900 |
|---|---|
| Manufacturer | Huawei |

| Platform | Huawei SingleRAN BTS3900/DBS3900 |
|---|---|
| Manufacturer | Huawei |
| Key Features | Multi-mode GSM/LTE operation; 1800MHz band support; CPRI fibre interface to BBU; Tower or rooftop mounting; Software-defined radio capability |
|---|---|
| Applications | Mobile network macro sites; GSM to LTE spectrum refarming; Urban and suburban cellular coverage; Multi-RAT network deployments |
| Compatibility | Huawei BBU3900; Huawei BBU3910; Huawei DBS3900 distributed base station |
| Specifications | 1800MHz frequency band; Multi-mode GSM/LTE; CPRI optical interface |
| Platform | Huawei SingleRAN BTS3900/DBS3900 |
| Manufacturer | Huawei |
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