Toshiba SATELLITE U500 Manuel d'utilisateur télécharger pdf (Page 186)

C-2 User’s Manual

Satellite U500/U500D, Satellite Pro U500/U500D

Radio Characteristics

Radio Characteristics of Wireless LAN Cards may vary according to:

■ Country/region where the product was purchased

■ 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.

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.

■ 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 path of the

transmission that may either absorb or reflect the radio signal.

R-F Frequency ■ Band 2.4GHz (2400~2497 MHz) for

802.11b/g/n (draft version)

■ Band gGHz (5150~5850 MHz) for

802.11a/n (draft version)

Modulation

Technique

■ DSSS-CCK, DSSS-DQPSK, DSSS-DBPSK

(IEEE 802.11b)

■ OFDM-BPSK, OFDM-QPSK,

OFDM-16QAMOFDM-16QAM

(IEEE 802.11a/g)

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Toshiba SATELLITE U500 Manuel d'utilisateur Page 186