Gateway E-4300 Gateway E-4300 Computer User's Guide - Page 94
Wireless Ethernet speed and frequency, Network Type, Speed, Frequency, Advantages
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Important Important If your computer came equipped with an internal radio frequency wireless device, see "Safety, Regulatory, and Legal Information" in your user's guide for general wireless regulatory and safety guidelines. To find out if your computer has an internal wireless device, check the device manager. For more information, see "Determining if wireless Ethernet is already installed on your computers" on page 91. Note any antenna placement constraints in the user guide of each type of wireless device in your network. Wireless Ethernet speed and frequency Wireless Ethernet is available at two different speeds and at two different frequencies. The following table compares the various wireless Ethernet network types. Network Type Speed Frequency Advantages Disadvantages IEEE 802.11a 54 Mbps 5 GHz Less possible interference than IEEE 802.11b and IEEE 802.11g ■ Shorter range (25 to 75 feet) than IEEE 802.11b and IEEE 802.11g ■ Not compatible with IEEE 802.11b or IEEE 802.11g networks IEEE 802.11b 11 Mbps 2.4 GHz ■ Large number of access points already exist in airports, college campuses, and businesses ■ Compatible with IEEE 802.11g networks ■ Longer range (100 to 150 feet) than IEEE 802.11a ■ Possible interference from cordless telephones and microwaves ■ Not compatible with IEEE 802.11a networks 88 www.gateway.com