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F-17
A
PPENDIX
F
Appendix F
Wireless communication is often subject to local radio regulations. Although
Wireless LAN networking products have been designed for operation in the license-
free 2.4 GHz band, local radio regulations may impose limitations on the use of
Wireless communication equipment.
NOTE: Refer to the flyer Information to the User for regulatory informa-
tion that may apply in your country/region.
Table F-5 Radio characteristics
R-F Frequency Band 2.4GHz (2400-2483.5 MHz)
Modulation Technique Direct Sequence Spread Spectrum
■ CCK for High & Medium Transmit Rate
■ DQPSK for Standard Transmit Rate
■ DBPSK for Low Transmit Rate
Spreading 11-chip Barker Sequence
Bit Error Rate (BER) Better than 10
-5
Nominal Output Power 15 dBm
Transmit Rate High Medium Standard Low
Speed Speed Speed Speed
11 Mb/s 5.5 Mb/s 2 Mb/s 1Mb/s
Receiver Sensitivity -83 dBm -87 dBm -91 dBm -94 dBm
Delay Spread 65 ns 225 ns 400 ns 500 ns
(at FER of <1%)
The range of the Wireless signal is related to the Transmit Rate of the Wireless
communication. Communications at lower Transmit range may travel longer
distances.
NOTE: The range values listed in Table F-5 are typical distances as
measured at the Toshiba Wireless LAN laboratories. These values provide
rule-of-thumb guides. They may vary according to the actual radio
conditions at the location where the Wireless LAN product is installed.
❑ 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 affected by obstacles in the signal path of the radio that may
either absorb or reflect the radio signal.