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What Factors Impact WLAN Speed?

WLAN speed hinges on multiple elements: router capability, signal strength, frequency band, network congestion, and physical obstructions. Even the number of connected devices plays a role. Optimal performance requires a delicate balance of these factors. How does each component influence your wireless experience, and what can you do to enhance it? Let's explore the intricacies of a seamless connection.
Mary Elizabeth
Mary Elizabeth
Mary Elizabeth
Mary Elizabeth

A WLAN is a Wireless Local Area Network — a network of one or more computers and related peripherals that is, or can be, wireless. A WLAN may combine both wired and wireless connections. Wireless networks are not as speedy as some users would like, and there are several factors that are known to affect WLAN speed.

One factor that affects WLAN speed is the wireless standard used by the network devices. The standard is called 802.11, but there are different versions available: 802.11a, 802.11b, 802.11g, and 802.11n. 802.11n, the most recent standard, operates in the 2.4 GHz or 5 GHz range, has speeds from 108 Mbps (Megabits per second) to 600 Mbps, and is backward compatible with 802.11a, b, and g. 802.11g also operates at 2.4 GHz and has a speed of 54 Mbps. 802.11b operate in the 2.4 GHz band at 11 Mbps, while 802.11a operates in the 5 GHz range with a maximum data rate of 54 Mbps.

Cordless phones can interfere with WLAN speed.
Cordless phones can interfere with WLAN speed.

A WLAN is built around a wireless access point (AP), often a wireless router. The location of the router is another factor that affects WLAN speed. The best place for a router is at the center of the networked area and away from corners and exterior walls. It’s also important to keep the router’s firmware updated.

If all the devices are connected to the router are capable of the same 802.11 standard, then the router should be set for that standard, rather than mixed-mode. This is because allowing earlier standards slows down the data. If all devices work on 802.11n standard, this will increase WLAN speed.

A WLAN adapter.
A WLAN adapter.

Routers come with one or more built-in antennas, but they are often inexpensive and not as good as they might be. They may or may not be made to be removed and upgraded. If they are removable, replacing them with an appropriate antenna for the network can increase WLAN speed.

If a 2.4 GHz network is being used for the WLAN, it is possible to speed it up by avoiding the devices that typically interfere with 2.4 GHz wireless transmissions. These include 2.4 GHz cordless phones, Bluetooth® adapters, baby monitors, and microwave devices. Cordless phones that will not interfere include those operating at 900 MHz, 1.9 GHz, and 5.8 GHz.

Mary Elizabeth
Mary Elizabeth

Mary Elizabeth is passionate about reading, writing, and research, and has a penchant for correcting misinformation on the Internet. In addition to contributing articles to EasyTechJunkie about art, literature, and music, Mary Elizabeth is a teacher, composer, and author. She has a B.A. from the University of Chicago’s writing program and an M.A. from the University of Vermont, and she has written books, study guides, and teacher materials on language and literature, as well as music composition content for Sibelius Software.

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Mary Elizabeth
Mary Elizabeth

Mary Elizabeth is passionate about reading, writing, and research, and has a penchant for correcting misinformation on the Internet. In addition to contributing articles to EasyTechJunkie about art, literature, and music, Mary Elizabeth is a teacher, composer, and author. She has a B.A. from the University of Chicago’s writing program and an M.A. from the University of Vermont, and she has written books, study guides, and teacher materials on language and literature, as well as music composition content for Sibelius Software.

Learn more...

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      Cordless phones can interfere with WLAN speed.
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      A WLAN adapter.
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