The Huawei RRU5909-1800 02311PPN is a multi-mode remote radio unit designed for the 1800MHz frequency band. It has a power output of 2 * 60W and is compatible with various wireless communication technologies. The specific model you mentioned, WD5M185909CU, is designed for this purpose.

The HUAWEI RRU5909 02311PPN is designed to be compatible with Huawei's baseband units BBU and works in conjunction with them to form a complete base station system. It supports various wireless technologies and features advanced signal processing capabilities.

Huawei RRU5909 02311PPN is a Remote Radio Unit RRU designed specifically for multi-mode operation in the 1800MHz frequency band. Its model is WD5M185909CU RRU5909 can provide a maximum output power of 60W for each carrier.