This article analyzes and discusses the wireless network coverage scheme for typical business buildings and puts forward three schemes of indoor coverage system.

就典型商业楼宇的无线网络覆盖方案进行了分析和探讨，提出了室内覆盖系统的三种方案。

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When EE's network launched, rivals questioned whether the spectrum band that it was using - 1800MHz - would provide good indoor coverage.

BBC: 4G tests reveal patchy urban coverage