User`s guide
ARRIS Router Setup – Web GUI User’s Guide
Page 14 of 95 May 2012
A number of factors can affect the usable range for wireless connections, as described in this
table.
Affect on Range Factor
Increases Range
• Raising the unit above the devices (for example, installing
the router in the upper floor of a multi-story dwelling)
• Setting the transmit power level to High
Decreases Range
• Lowering the unit below the devices (for example, installing
the router in a basement)
• Metal or concrete walls between the router and client
devices
• Large metal appliances, aquariums, or metal cabinets
between the router and client devices
• Interference and RF noise (2.4 GHz cordless phones,
microwave ovens, or other wireless networks)
• Setting the transmit power level to Medium or Low
Note: Decreasing the range of your wireless network may be beneficial, as long as the
decreased range is sufficient for your needs. By limiting your network’s range, you
reduce interference with other networks and make it harder for unwanted users to find
and connect to your network.
2.4.2 Interference from Other Wireless Devices
Interference from other equipment operating at 2.4 GHz in the area of your wireless network
can significantly affect the range and performance of your network, such as:
Cordless phones
Wireless speakers
Microwave ovens
Baby monitors
Gaming Consoles: such as Wii, X-Box, and Play Station
Any other devices operating at 2.4 GHz
Note: If your cordless phones or other wireless devices are interfereing with your
wireless network’s performance, replace them with a similar device that operates on a
different frequency if possible. For example, change to 5.8 GHz cordless phones.