Cisco Aironet 1250 Series Datasheet page 6

All contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Item Specification
Data Rates 802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
Supported
802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps
802.11n data rates (2.4 GHz and 5 GHz):
2
MCS Index
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Frequency Band -A (Americas (FCC)):
and 20-MHz
● 2.412 to 2.462 GHz; 11 channels
Operating
● 5.180 to 5.320 GHz; 8 channels
Channels
● 5.500 to 5.700 GHz, 8 channels (excludes
5.600 to 5.640 GHz)
● 5.745 to 5.825 GHz; 5 channels
-C (China):
● 2.412 to 2.472 GHz; 13 channels
● 5.745 to 5.825 GHz; 5 channels
-E (ETSI):
● 2.412 to 2.472 GHz; 13 channels
● 5.180 to 5.320 GHz; 8 channels
● 5.500 to 5.700 GHz, 11 channels
-I (Israel):
● 2.412 to 2.472 GHz, 13 channels
● 5.180 to 5.320 GHz; 8 channels
-K (Korea):
● 2.412 to 2.472 GHz; 13 channels
● 5.180 to 5.320 GHz; 8 channels
● 5.500 to 5.620 GHz, 7 channels
● 5.745 to 5.805 GHz, 4 channels
Note: This varies by regulatory domain. Refer to the product documentation for specific details for each regulatory domain.
2
MCS Index: The Modulation and Coding Scheme (MCS) index determines the number of spatial streams, the
modulation, the coding rate, and data rate values.
3
GI: A Guard Interval (GI) between symbols helps receivers overcome the effects of multipath delays.
3
GI = 800ns
20-MHz Rate 40-MHz Rate
(Mbps) (Mbps)
6.5 13.5
13 27
19.5 40.5
26 54
39 81
52 108
58.5 121.5
65 135
13 27
26 54
39 81
52 108
78 162
104 216
117 243
130 270
-N (Non-FCC):
● 2.412 to 2.462 GHz; 11 channels
● 5.180 to 5.320 GHz; 8 channels
● 5.745 to 5.825 GHz; 5 channels
-P (Japan2):
● 2.412 to 2.472 GHz; 13 channels
● 5.180 to 5.320 GHz; 8 channels
-S (Singapore):
● 2.412 to 2.472 GHz; 13 channels
● 5.180 to 5.320 GHz; 8 channels
● 5.745 to 5.825 GHz; 5 channels
-T (Taiwan):
● 2.412 to 2.462 GHz; 11 channels
● 5.280 to 5.320 GHz; 3 channels
● 5.500 to 5.700 GHz, 11 channels
● 5.745 to 5.825 GHz; 5 channels
Data Sheet
GI = 400ns
20-MHz Rate 40-MHz Rate
(Mbps) (Mbps)
7.2 15
14.4 30
21.7 45
28.9 60
43.3 90
57.8 120
65 135
72.2 157.5
14.4 30
28.9 60
43.3 90
57.8 120
86.7 180
115.6 240
130 270
144.4 300
Page 6 of 13