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Re: maximum range
Since wireless networking uses radio frequencies to communicate between your computers and networks, the maximum distance that 802.11b can operate depends on environmental factors that will affect your network:
802.11b Typical Outdoor Coverage Area 802.11b Typical Indoor Coverage Area
590' 11Mbps 50' 11Mbps
984' 5.5Mbps 125' 5.5Mbps
1476' 2Mbps 150' 2Mbps
1800' 1Mbps 200' 1Mbps
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In 1997 the Institute of Electrical and Electronics Engineers (IEEE) created the first WLAN standard. They called it 802.11 after the name of the group formed to oversee its development. this first version only supported a maximum network bandwidth of 2 Mbps today it has been improved to over 300Mbps using MIMO devices based on this first version, a comparable wired LAN on CAT5e Ethernet twisted pair cables usually is classes at a minimum of 10Mbps to a maximum speed of 100Mbps (often called 100/10Mbps) Here is a summary of all the Wi-Fi versions and letter numbers upto the present day in 2010.
In 1999, the 802.11b specification was released for the the domestic market, supporting bandwidth up to 11 Mbps at the same time the 802.11a was released for the business market upporting bandwidth up to 54 Mbps it was much more expensive and signals had more difficulty penetrating walls and other obstructions so it was dropped. In 2003, WLAN products supporting a newer standard called 802.11g it combines the best of both 802.11a and 802.11b it supports the same bandwidth as 802.11a of 54 Mbps (hence it is often called 54g this is the Wi-Fi standard), it uses the 2.4 Ghz frequency for greater range the 802.11g technology is backwards compatible with 802.11b, all WLAN cards will call this 802.11b/g Some versions offer 128g which is 54g twice but only if the router will supports this doubled speed, the majority of all routers use a V.90 modem which will only support 54Mbps (aka 54g).
The newest IEEE standard in the Wi-Fi category is 802.11n (called MIMO technology) . It was designed to improve on 802.11g in the amount of bandwidth supported by utilizing multiple wireless signals and using antennas instead of one, it support data rates of over 100 Mbps upto 300Mbps and also offers somewhat better range over earlier Wi-Fi standards due to its increased signal intensity. All 802.11n equipment will be backward compatible with 802.11g/b networks.
Most internal WLAN cards are plug and play on the PCI bus, however more and more version are being provided as either a USB or PCMCIA version for laptops and desktops, this version below will work with all versions 11b, 54g and 11n upto 300Mbps ( if the router that you have will suport it.
The latest technology is called Wi-MAX is designed for long-range networking spanning miles or kilometers as opposed to local area wireless networking or WLAN. The other end of the Wireless technology spectrum, that split from 802.11b is called BlueTooth and works up to a maximum distance of 10 Meters used exclusively as the standard in Mobile Phone devices like headphones and short distance inter-connection to other phones and PC's.
This is a simple trick to increase the range of your wireless home network. You will need a USB network card, a salad bowl and aluminum foil or a metal bowl, 2 rulers or other plastic or wooden rods, some tape, and a USB extension cord. 1. If using a metal bowl, you're already set. If using a plastic or glass bowl, wrap the inside with the aluminum foil. 2. Tape the rulers or other form of extension rods you are using to opposing sides of the rim of the bowl so that when looking down on it they will touch above the center of the the bowl. 3. Tape the wireless USB card between the rulers and position it so the USB plug is facing away from the bowl. 4. Plug the USB extension cable into the card and plug the other end into your computer. 5. Position your crude USB antenna in the direction of the wireless rounter for best signal. 6. With the antenna facing the wireless router or access point, you can reposition the USB card at the end of the rulers moving it closer or farther away while watching the signal strength of the network on your PC until the maximum signal is achieved. When you achieve maximum signal secure the wireless USB card in that position.
Your wireless network card is more than sufficient to handle the bandwidth provided by your DSL connection. A "1.5" DSL connection refers to a 1.5Mbps DSL line. Your network card is an 802.11G network card. Simply put, your network card will only run at a maximum of 54Mbps, far short of your 802.11N router's maximum speed, but provides more than enough room for the bandwidth provided by your Internet Service Provider. Gigabit connections (connections with speeds measured in 'Gbps') are almost exclusively for private networks or corporate networks with Fiber Optic connections.
In layman's terms, you can get a newer network card for your computer that will improve the speeds between your laptop and any other computers on your network, but as long as your network card is supported by any modern operating system, odds are it is able to transfer data fast enough to keep up with your DSL connection
Hi you need a wireless router to do this, PICK A ROUTER - There are tons of wireless routers to choose from. Depending on how big your house or office you might have to purchase multiple routers. The current standard in wireless technology is known as Wireless G. It is rated at a maximum speed of 54Mbps with a radius range of approximately 75'. This is most suitable for small homes or offices. Other types include Wireless A, B, and N and all vary in bandwidth and range. Do some more research and find out what might be suitable for your needs.
Step 2PICK A WIRELESS NETWORK CARD - If you set up a wireless network make sure to get wireless networking cards for each desktop, otherwise there'll be no way for you to connect to the internet. Most laptops have wireless networking cards built in, check your laptops manual to make sure.
Wireless connections are running on a slower speed by definition.
A wired connection with this router sets the maximum speed at 100 Mbps.
A wireless signal in a 802.11b network has a maximum speed of 11 Mbps, and a 802.11g network has a maximum speed of 54 Mbps.
These numbers are theoretical numbers and never achieved in reality. (like a Toyota Prius makes 60mpg...)
So depending on your wireless network adapter and how your setup physically looks like (distance to the router, interference with telephones, microwaves etc.) it is absolutely possible that you wireless speed is considerably slower than your wired connection.
If you have any more questions, just come back here and leave a comment - I'm happy to help.
Wireless conection will only run as fast as your slowest device. i.e.
802.11 only supported a maximum network bandwidth of 2 Mbps.
802.11b supports bandwidth up to 11 Mbps.
802.11g supports bandwidth up to 54 Mbps.
802.11n connections should support data rates of over 100 Mbps.
So if you are running a mixed network with lets say a 802.11b wifi card on a laptop and a new laptop with 802.11n, your speed will only be that of the 802.11b card.