User's Manual

LAN-Express IEEE 802.11 Wireless Adapter User Guide
Appendix A Specifications 63
Support
Roaming Seamless among 802.11b compliant access points (in 802.11b/g modes)
and 802.11g compliant access points (in 802.11g mode)
A-3 Radio Specification for 802.11b Mode
Media Access Protocol IEEE 802.11b DSSS, IEEE 802.11g OFDM
Radio Data Rate 11 Mbps, 5.5 Mbps, 2 Mbps, 1 Mbps
Frequency Band 2.4 GHz frequency band; actual frequencies in use vary by
country
Radio Type Direct Sequence Spread Spectrum
Modulation CCK, QPSK, BPSK
Nominal Output Power 18 dBm
Channels Varies by country.
A-4 Radio Specification for 802.11g Mode
Media Access Protocol IEEE 802.11b DSSS (Direct Sequence Spread Spectrum),
IEEE 802.11g OFDM
Radio Data Rate 802.11g: 54 Mbps with fall back rate of 48, 36, 24, 18, 12, 9,
and 6Mbps.
802.11b: 11 Mbps with fall back of 5.5, 2 and 1Mbps.
Frequency Band 2.4 GHz frequency band; actual frequencies in use vary by
country
Radio Type Direct Sequence Spread Spectrum
Modulation 802.11g: OFDM; 802.11b: CCK (11Mbps, 5.5Mbps), DQPSK
(2Mbps, 1Mbps)
Nominal Output Power Typical 12dBm at 54Mbps, typical 15dBm at 11 Mbps
Channels 11 channels (US, Canada), 13 channels (Europe Countries), 14
channels (Japan)