Wireless networking basics pdf


wireless networking basics pdf

Power and Receiver sensitivity - how far each wireless device can go, and how well a router can listen and filter out interference and noise.
Learn Networking Basics, but for the sake of this document the quick definition of a router is a network device that can connect one network to another, determine what traffic can pass between them, and perform other functions on a network, such as assigning.
Cellular phones: 850MHz, 1900MHz, and others.
Antennas - how the type of antenna changes the way the router broadcasts.One last note before we move on to the activity - in the examples above, and in the activity that follows, the diagrams focus on building networks across rooftops or from building to building.In the diagram above: 1 represents the connection to the Internet.Limit the connections to a single thin line.Since communications signals are often very high in frequency, we abbreviate the measurements for the frequencies - millions of vibrations a second is Megahertz (MHz and billions of vibrations a second is Gigahertz (GHz).When setting up your wireless network, you will need to think about what frequency band to use, and what channel to use.You can move to the next room, but that might get crowded as well.To help you understand these different methods for designing networks, this document covers the basics of what different devices do in wireless networks, and how they can be used in different configurations.In the two examples below - AM and FM radio - the M stands for modulation.When you are accessing a wireless hotspot, or the router in your home or office, your device is the client.Some wireless devices (laptops, smart phones, or wireless routers) support a mode called Ad-Hoc.If you use Wi-Fi in your home or office, it is most likely through an Access Point.
About 5 to 10 kilometers 500mW keygen para aspel sae 4.6 (1/2 Watt or 27dBm Outdoor, long distance focused routers.
In many home networks, or small office networks, the router and AP may be combined into a single device.




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