* The specifications for 802.11n draft 2.0 are draft specifications and
are not final. If the final specifications differ from the draft specifications,
it may affect the ability of the notebook to communicate with other
802.11n WLAN devices. In countries where n draft 2.0 is not allowed,
this capability is not enabled.
Interoperability
Wi-Fi certified (802.11a/jointfilesconvert/342730/bg only)
Cisco Compatible Extensions Program compliant (802.11a/jointfilesconvert/342730/bg only) with
Microsoft Windows Vista and XP
Tested with wireless access points from several major manufacturers
Frequency Band
2.4 GHz and 5 GHz
Antenna Structure
1 transmit; 2 receive (1x2)
Data Rates
802.11b: 1, 2, 5.5, 11 Mbps
802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
802.11n (draft): 66 possible data rates, ranging from 6 Mbps to 300
Mbps, depending on the combination of Bandwidth, Modulation Coding
Scheme, and Guard Interval used, as defined in IEEE 802.11n (draft)
specification
Modulation
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM
Security
1
Supports 64- and 128-bit WEP, WPA, WPA2, hardware-accelerated
AES (support for key sizes of 128, 192, and 256 bits), 802.1x
authentication types EAP-TLS, EAP-TTLS, PEAP-GTC, PEAP-
MSCHAPv2, LEAP, EAP-FAST.
Support for Cisco Security Features (proven compatibility with Cisco
Aironet infrastructure products through the Cisco Compatible
Extensions Program Version 4) with Microsoft Windows Vista and XP
only.
Sub-channels
Multinational support with frequency bands and channels compliant to
local regulations.
Media Access Protocol
CSMA/CA (Collision Avoidance) with ACK
Network Architecture
Models
Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)
Roaming
IEEE 802.11 compliant roaming between access points
Output Power
(for
CCK)
2
15 dBm
Output Power
(for
OFDM; power varies by
data rate)
2
15 dBm
Power Consumption
Transmit: 2.3 Watts (average, with one spatial streams)
Receive: 1.9 Watts (average with two receive chains)
Idle mode
3
: 30 mW (average)
Radio off: 20 mW (max)
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
4
300 Mbps: -68 dBm, 54 Mbps: -74 dBm, 6 Mbps: -90 dBm
Antenna Connections
3 U.FL type connectors, 50 ohm nominal impedance
Range
802.11 a – Typical
(@6 Mbps)
600 feet – Outdoor Open Area
150 feet – Indoor, Office environment
802.11 b – Typical
(@1 Mbps)
1200 feet – Outdoor Open Area
300 feet – Indoor, Office environment
802.11 g – Typical
(@1 Mbps)
1200 feet – Outdoor Open Area
300 feet – Indoor, Office environment
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Communications
DA - 13029 Worldwide QuickSpecs — Version 26 — 2/3/2010
Page 30
(18 Seiten)
(121 Seiten)
(4 Seiten)
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