D-Link DIR-645 [116/134] Knowledge base

112D-Link DIR-645 User Manual

Section 4 - Knowledge Base

Knowledge Base

Wireless Basics

Wireless products are based on industry standards to provide easy-to-use and compatible high-speed wireless connectivity within your home,

business or public access wireless networks. Strictly adhering to the IEEE standard, the wireless family of products will allow you to securely access

the data you want, when and where you want it. You will be able to enjoy the freedom that wireless networking delivers.

A wireless local area network (WLAN) is a cellular computer network that transmits and receives data with radio signals instead of wires. Wireless

LANs are used increasingly in both home and oce environments, and public areas such as airports, coee shops and universities. Innovative ways

What is Wireless?

Wireless or Wi-Fi technology is another way of connecting your computer to the network without using wires. Wi-Fi uses radio frequency to

connect wirelessly, so you have the freedom to connect computers anywhere in your home or oce network.

How does Wireless work?

Wireless works similar to how cordless phone work, through radio signals to transmit data from one point A to point B. But wireless technology has

restrictions as to how you can access the network. You must be within the wireless network range area to be able to connect your computer. There

are two dierent types of wireless networks Wireless Local Area Network (WLAN), and Wireless Personal Area Network (WPAN).

Wireless Local Area Network (WLAN)

In a wireless local area network, a device called an Access Point (AP) connects computers to the network. The access point has a small antenna

attached to it, which allows it to transmit data back and forth over radio signals. With an indoor access point as seen in the picture, the signal can