[单选] As an experienced technician, you are responsible for infrastructure design and global configuration changes. You are asked to deploy a Voice over Wireless LAN for your company. If the cells have the same channel, the separation between them should be:（）

交际类型可以从不同角度分类，如日常谈话按照语言的交际形式是（）按照交际时发话、受话的情况是（）。 什么社区党建？ （）强调文学是作家情感的外在表现的产物。 表现论。 信息论。 意志论。 反映论。 信息系统测试分为：（）和接口测试。 发话人认为受话人能够确定指称对象的信息叫（） As an experienced technician, you are responsible for infrastructure design and global configuration changes. You are asked to deploy a Voice over Wireless LAN for your company. If the cells have the same channel, the separation between them should be:（）