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Media Access
Protocol
Radio Characteristics
Radio Characteristics of Wireless LAN module may vary according to:
Wireless communication is often subject to local radio regulations.
Although Wireless LAN wireless networking products have been designed
for operation in the license-free 2.4GHz and 5GHz band, local radio
regulations may impose a number of limitations to the use of wireless
communication equipment.
Radio Frequency
The range of the wireless signal is related to the transmit rate of the
wireless communication. Communications at lower transmit range may
travel larger distances.
Bluetooth wireless technology
Some computers in this series have Bluetooth wireless communication
function which eliminates the need for cables between electronic devices
such as computers, printers and mobile phones. When it is enabled,
Bluetooth provides the wireless personal area network environment which
is safe and trustworthy, that is quick and easy.
You cannot use the computer's built-in Bluetooth functions and an external
Bluetooth adaptor simultaneously. For reference, Bluetooth wireless
technology has the following features:
Worldwide operation
The Bluetooth radio transmitter and receiver operate in the 2.4GHz band,
which is license-free and compatible with radio systems in most countries
in the world.
User's Manual
Country/region where the product was purchased
Type of product
The range of your wireless devices can be affected when the
antennas are placed near metal surfaces and solid high-density
materials.
Range is also impacted due to "obstacles" in the signal path of the
radio that may either absorb or reflect the radio signal.
CSMA/CA (Collision Avoidance) with
Acknowledgment (ACK)
Band 5GHz (5150-5850 MHz) (Revision a
and n)
Band 2.4GHz (2400-2483.5 MHz) (Revision
b/g and n)
4-10
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