如何我在家里可以无线上网吗？(i get wireless internet access at home?)
无线互联网接入取决于两个主要组件，一个广播机和一个接收器，这两个组件都必须就位，以便您使用这种类型的互联网接入。在大多数情况下，这将涉及通过无线路由器建立家庭网络，这不仅可以帮助您接收无线互联网访问，还可以帮助您从远程位置打印或允许计算机远程共享文件和打印机。另一种方法是使用无线接入卡，允许您连接到蜂窝系统以提供互联网服务；
在家庭网络的情况下，互联网接入最有可能通过有线连接进入您的家庭。从那里，它可以连接到路由器，最有可能通过以太网连接。之后，路由器可以通过空中发送和接收信号，包括无线互联网接入所需的信号。该路由器是无线互联网接口的核心组件。这种方法通常被称为Wifi；
无线互联网接入所需的另一个重要组件是无线接收器。许多电脑，包括笔记本电脑和台式机，都配有无线网卡，但有些没有。这可以通过使用通过USB端口连接的卡轻松添加。您也可以使用PCMCIA插槽，具体取决于您购买的卡的类型。在查看连接时，最重要的是确保您的计算机具有连接所需的可用硬件或插槽。
通过路由器进行无线互联网访问的主要缺点是，信号衰减非常快，并且距离无线接入点越远，连接的可靠性就越低。在大约300英尺（约91.5米）以外，几乎没有连接，如果有的话，尤其是在你和信号源之间存在某种物理屏障的情况下。因此,即使使用这一方法可能是自由的,也可能是限制的,至少在一定程度上是如此；
这就是为什么许多使用笔记本电脑的人选择了第二种方法的原因之一，即使用连接卡通过手机系统利用无线互联网接入。在这种情况下，只要您接收到与网络兼容的蜂窝信号，您就可以访问Internet。尽管这允许更大的灵活性，但它也涉及到订阅一个完全不同的服务。事实上，您可能分别订阅了一项家庭互联网接入服务和另一项远程接入服务。
- 发表于 2021-12-07 09:32
- 阅读 ( 142 )
- 分类：互联网
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