Toshiba Portege R400 PPR40C Users Manual Canada; English - Page 157
Radio Characteristics, R-F Frequency, Modulation, Technique
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Wireless LAN 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. Refer to the sheet "Information to the User" for regulatory information that may apply in your country/region. R-F Frequency ■ Band 5GHz (5150-5850 MHz) (Revision A) ■ Band 2.4GHz (2400-2483.5 MHz) (Revision B, G) Modulation Technique ■ DSSS-CCK, DSSS-DQPSK, DSSS-DBPSK (Revision B) ■ OFDM-BPSK, OFDM-QPSK, OFDM-16QAM, OFDM-64QAM (Revision A, G) 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. ■ 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. User's Manual C-2