User’s ManualC-2
Wireless LAN
Radio Characteristics
Radio Characteristics of Wireless LAN Cards may vary according to:
n
Country/region where the product was purchased
n
Type of product
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.
Refer to the sheet “Information to the User” for regulatory information that may
apply in your country/region.
R-F Frequency
n
Band 2.4GHz (2400~2497 MHz) for
802.11b/g/n (draft version)
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Band gGHz (5150~5850 MHz) for
802.11a/n (draft version)
Modulation
Technique
n
DSSS-CCK, DSSS-DQPSK, DSSS-DBPSK
(IEEE 802.11b)
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OFDM-BPSK, OFDM-QPSK, OFDM-
16QAMOFDM-16QAM (IEEE 802.11a/g)
The range of the wireless signal is related to the transmit rate of the wireless
communication device. Communications at a lower transmission rate may travel
larger distances.
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The range of your wireless devices can be affected when the antennas are
placed near metal surfaces and solid high-density materials.
n
Range is also impacted due to “obstacles” in the path of the transmission that
may either absorb or reflect the radio signal.
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