Cisco Unified Wireless IP Phone 7921G ETSI CP-7921G-EE-CH1-K9 Data Sheet
Product codes
CP-7921G-EE-CH1-K9
Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Data rates
●
802.11a:
●
6, 9, 12, 18, 24, 36, 48,
and 54 Mbps
●
802.11b:
●
1, 2, 5.5, and 11 Mbps
●
802.11g:
●
6, 9, 12, 18, 24, 36, 48,
and 54 Mbps
Nonoverlapping channels
●
802.11a: Up to 23 (including radar channels)
●
802.11b/g: 3 (Japan uses 4)
Wireless modulation
●
802.11a: OFDM
●
802.11b: Direct sequence spread spectrum (DSSS)
●
802.11g: OFDM and DSSS
Receiver sensitivity
(typical)
(typical)
●
802.11a:
●
6 Mbps: -89 dBm
●
9 Mbps: -88 dBm
●
12 Mbps: -86 dBm
●
18 Mbps: -85 dBm
●
24 Mbps: -82 dBm
●
36 Mbps: -80 dBm
●
48 Mbps: -76 dBm
●
54 Mbps: -74 dBm
●
802.11b:
●
1 Mbps: -95 dBm
●
2 Mbps: -89 dBm
●
5.5 Mbps: -89 dBm
●
11 Mbps: -85 dBm
●
802.11g:
●
6 Mbps: -90 dBm
●
9 Mbps: -89 dBm
●
12 Mbps: -87 dBm
●
18 Mbps: -85 dBm
●
24 Mbps: -82 dBm
●
36 Mbps: -78 dBm
●
48 Mbps: -74 dBm
●
54 Mbps: -73 dBm
Transmitter output power
●
802.11a OFDM:
●
40 mW (16 dBm)
●
32 mW (15 dBm)
●
20 mW (13 dBm)
●
8 mW (9 dBm)
●
3.2 mW (5 dBm)
●
1 mW (0 dBm)
●
802.11b CCK:
●
50 mW (17 dBm)
●
20 mW (13 dBm)
●
8 mW (9 dBm)
●
3.2 mW (5 dBm)
●
1 mW (0 dBm)
●
802.11g OFDM:
●
40 mW (16 dBm)
●
32 mW (15 dBm)
●
20 mW (13 dBm)
●
8 mW (9 dBm)
●
3.2 mW (5 dBm)
●
1 mW (0 dBm)
●
802.11a:
●
6 Mbps: 610 ft (186 m)
●
9 Mbps: 610 ft (186 m)
●
12 Mbps: 558 ft
(170 m)
●
18 Mbps: 541 ft
(165 m)
●
24 Mbps: 508 ft
(155 m)
●
36 Mbps: 426 ft
(130 m)
●
48 Mbps: 328 ft
(100 m)
●
54 Mbps: 295 ft (90 m)
●
802.11b:
●
1 Mbps: 1,027 ft
(313 m)
●
2 Mbps: 951 ft (290 m)
●
5.5 Mbps: 853 ft
(260 m)
●
11 Mbps: 787 ft
(240 m)
●
802.11g:
●
6 Mbps: 722 ft (220 m)
●
9 Mbps: 656 ft (200 m)
●
12 Mbps: 623 ft
(190 m)
●
18 Mbps: 623 ft
(190 m)
●
24 Mbps: 623 ft
(190 m)
●
36 Mbps: 492 ft
(150 m)
●
48 Mbps: 410 ft
(125 m)
●
54 Mbps: 394 ft
(120 m)
Range
(stated ranges are from
measured open-site range
testing)
(stated ranges are from
measured open-site range
testing)
Ranges and actual throughput vary based upon numerous environmental factors so individual
performance may differ.
performance may differ.
Access Point support
●
Cisco Aironet
®
350 Series Access Point
●
Cisco Aironet 1000 Series Lightweight
Access Point
●
Cisco Aironet 1100 Series Access Point
●
Cisco Aironet 1130 AG Access Point
●
Cisco Aironet 1200 Series Access Point
●
Cisco Aironet 1240 AG Access Point
●
Cisco Aironet 1300 Series Access Point
Required versions:
●
Cisco Wireless LAN Controller
(Lightweight) 4.0 or later
●
Cisco IOS Access Points (Autonomous)
12.3(8)JEA or later