Cisco Aironet Enhanced IEEE 802.11a CardBus Radio Module AIR-RM21A-E-K9= Fiche De Données
Codes de produits
AIR-RM21A-E-K9=
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Wireless Medium
802.11a: Orthogonal Frequency Divisional Multiplexing (OFDM)
Modulation
•
Binary Phase Shift Keying (BPSK) @ 6 and 9 Mbps
•
Quadrature Phase Shift Keying (QPSK) @ 12 and 18 Mbps
•
16-Quadrature Amplitude Modulation (QAM) @ 24 and 36 Mbps
•
64-QAM @ 48 and 54 Mbps
Frequency Band and
Operating Channels
•
FCC
–
5.15 to 5.35 GHz and 5.725 to 5.825 GHz, 12 channels
•
China
–
5.725 to 5.825 GHz, 4 channels
•
Europe (ETSI)
–
5.15 to 5.725 GHz, 19 channels
•
Japan (TELEC)
–
5.15 to 5.25 GHz, 4 channels
•
North America
–
5.15 to 5.35 GHz and 5.725 to 5.825 GHz, 12 channels
•
Singapore
–
5.15 to 5.25 GHz and 5.725 to 5.825 GHz, 8 channels
•
Taiwan
–
5.25 to 5.35 GHz and 5.725 to 5.825 GHz, 8 channels
Media Access Protocol
Carrier-sense multiple access with collision avoidance (CSMA/CA)
Nonoverlapping
Channels
12 (FCC and North America)
Receive Sensitivity
(typical)
6 Mbps: -87 dBm
9 Mbps: -87 dBm
12 Mbps: -85 dBm
18 Mbps: -84 dBm
24 Mbps: -81 dBm
36 Mbps: -78 dBm
48 Mbps: -73 dBm
54 Mbps: -72 dBm