The DBS5900 has two frequency mode: FDD and TDD, supporting 3GPP standard spectrum like FDD 700M/800M/850MHz, TDD, and other industry spectrum like TDD 400MHz and 1. 8GHzPage 2 T2-030487-20050630-C-1. 50 Product Version V100R005 31041987 Huawei Technologies Co. provides customers with comprehensive technical support and service. Please feel free to contact our local office or company headquarters. Address: Administration Building. The DBS5900 is a wireless access device for the eLTE wireless broadband private network solution. It provides wireless access functions, including air interface management, access control, mobility control, and user resource allocation. The DBS5900 can meet the needs of industry users for wireless. This document describes the exteriors and functions of a BBU3900, a BBU3910, and a BBU3910A as well as the configurations, functions, application scenarios, and specifications of boards in the BBU3900, BBU3910, and BBU3910A to help users comprehensively understand the functions of BBUs. The. Focus on the BTS equipment: BBU Huawei 5900, UMPT and UBBP Focus on the BTS equipment: BBU Huawei 5900, UMPT and UBBP Today I'm sharing with you some elements that are often found in a BTS (Base Station) Telecom As part of my work on telecom infrastructures, I had the opportunity to handle. The document describes the hardware structure and components of the Huawei BTS3900 base station system. The key points are: - The BTS3900 system consists of the BBU3900 baseband processing unit, MRFU radio frequency unit, and indoor macro cabinet.