Netgear WNDA3100v2 – N600 Wireless Dual Band USB Adapter ユーザーズマニュアル

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This chapter explains how to use your wireless-N USB adapter to connect to your wireless local 
area network (WLAN) and how to maximize the performance of your wireless-N USB adapter 
within your network. Included are scenarios for setting up your network in a mixed use 
environment and the trade-off of using different types of technology—wireless, wired, or 
Powerline. 

The speed and operating distance or range of your wireless connection can vary significantly based 
on the location of the wireless router. You should choose a location for your router that will 
maximize the network speed.

The following list describes how to optimize wireless router performance.

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Identify critical wireless links.
If your network has several wireless devices, decide which wireless devices need the highest 
data rate, and locate the router near them. Many wireless products have automatic data-rate 
fallback, which allows increased distances without losing connectivity. This also means that 
devices that are farther away mighty be slower. Therefore, the most critical links in your 
network are those where the traffic is high and the distances are great. Optimize those first. 

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Choose placement carefully. For best results, place your router:

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Near the center of the area in which your computers will operate.

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In an elevated location such as a high shelf where the wirelessly connected computers 
have line-of-sight access (even if through walls).

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Avoid obstacles to wireless signals.

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Keep wireless devices at least two feet from large metal fixtures such as file cabinets, 
refrigerators, pipes, metal ceilings, reinforced concrete, and metal partitions.

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Keep the devices away from large amounts of water such as fish tanks and water coolers.

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Reduce interference.