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B-3
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide for Windows Vista
OL-16534-01
Appendix B Technical Specifications
Radio Specifications
Type
802.11a
Orthogonal frequency division multiplexing (OFDM)
802.11b/g
Direct-sequence spread spectrum (DSSS) and orthogonal frequency
division multiplexing (OFDM)
Power output
Note
Refer to
Appendix E
for limitations on radiated power (EIRP) levels in the European
community and other countries.
802.11a
40 mW (16 dBm) @ 6, 9, 12, 18, 24 Mbps
25 mW (14 dBm) @ 6, 9, 12, 18, 24, 36 Mbps
20 mW (13 dBm) @ 6, 9, 12, 18, 24, 36, 48, 54 Mbps
13 mW (11 dBm) @ 6, 9, 12, 18, 24, 36, 48, 54 Mbps
10 mW (10 dBm) @ 6, 9, 12, 18, 24, 36, 48, 54 Mbps
Note
The maximum power setting varies according to individual
country regulations.
802.11b/g
100 mW (20 dBm) @ 1, 2, 5.5, 11 Mbps
63 mW (18 dBm) @ 1, 2, 5.5, 6, 9, 11, 12, 18, 24 Mbps
50 mW (17 dBm) @ 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36 Mbps
30 mW (15 dBm) @ 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48 Mbps
20 mW (13 dBm) @ 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps
10 mW (10 dBm) @ 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps
Note
The maximum power setting varies according to individual
country regulations.
Operating frequency
802.11a
5.15 to 5.25 GHz in the UNII 1 band*
5.25 to 5.35 GHz in the UNII 2 band*
5.470 to 5.725 GHz in the European band
5.725 to 5.825 GHz in the UNII 3 band*
*Depending on the regulatory domain in which the client adapter is
used
802.11b/g
2.400 to 2.497 GHz (depending on the regulatory domain in which the
client adapter is used)
Usable channels
802.11a
5170 to 5320 MHz, 5500 to 5700 MHz, and 5745 to 5805 MHz
802.11b/g
2412 to 2484 MHz in 5-MHz increments
Data rates
1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps
Modulation
Differential binary phase shift keying (DBPSK) - 1 Mbps
Differential quaternary phase shift keying (DQPSK) - 2 Mbps
Complementary code keying (CCK) - 5.5 and 11 Mbps
Binary phase shift keying (BPSK)
- 6 and 9 Mbps
Quaternary phase shift keying (QPSK) - 12 and 18 Mbps
16-quadrate amplitude modulation (16-QAM) - 24 and 36 Mbps
64-quadrate amplitude modulation (64-QAM) - 48 and 54 Mbps
Table B-1
Technical Specifications for CB21AG and PI21AG Client Adapters (continued)