Wireless Ieee 802.11N Guidelines - SMC Networks SMCD3GNV3 User Manual

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wireless devices. To quiet the noise, avoid wireless electronics that use the 2.4 GHz
frequency. Instead, look for cordless phones that use the 5.8 GHz or 900 MHz
frequencies.
Update firmware and drivers for your wireless networking devices. Device
manufacturers, including SMC, regularly make free improvements to their devices that
improve performance. To obtain the latest firmware and driver updates for your devices,
visit the vendor's Web site.
To improve the security of your wireless network, change the SSID to a different
name than the default. You can access the Gateway's SSID setting using the Enter WiFI
Network Name option in Step 2 of the Home Network Wizard (see "Configuring Your
Home Network" on page 60). An SSID can be changed at any time, as long as the
change is also made on all wireless clients.
By default, most wireless access points broadcast the SSID to all wireless devices.
While this feature of WiFi network protocols is intended to allow clients to dynamically
discover and roam between WLANs, it also allows anyone with a wireless NIC to detect
the SSID you use to gain access to your wireless network. Therefore, you may want to
consider disabling this feature. For more information, refer to the documentation for your
wireless access points.
MAC filtering is the process of configuring a wireless access point with a list of MAC
addresses that will be allowed or not allowed to gain access to the rest of the network via
that access point. Only MAC addresses that are registered with the wireless access
point can gain access to the wireless network. The Gateway provides a similar feature
with its Private Wireless Network option in the Wireless to limit connections to certain
MAC addresses (see "Viewing and Editing Wireless Configuration" on page 49).
Guessing default user names and passwords for wireless access points is a common
practice hackers use to access wireless networks. Therefore, change the default user
name and password for your wireless access point and the configuration settings of your
devices. For information about changing the default username and password for the
Gateway, see "Changing the Login Password" on page 99.

Wireless IEEE 802.11n Guidelines

The wireless IEEE 802.11n standard is an extension to 802.11 specification developed by
the IEEE for wireless LAN (WLAN) technology. 802.11n builds upon previous 802.11
standards by adding multiple-input multiple-output (MIMO). The additional transmitter and
receiver antennas allow for increased data throughput, at speeds up to 100 Mbps, which is
4-to-5 times faster than 802.11g. 802.11n also offers a better operating distance than current
networks.
If you use or are considering using 802.11n in your wireless network, observe the following
guidelines:
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SMCD3GNV Wireless Cable Modem Gateway User Manual
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