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Quickspecs, Hp compaq dc7900 business pc – HP DC7900 User Manual

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Frequency Band

Frequency Band

Frequency Band

Frequency Band

2.4 GHz and 5 GHz

Antenna Structure

Antenna Structure

Antenna Structure

Antenna Structure

1 transmit; 2 receive (1x2)

Data Rates

Data Rates

Data Rates

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

Modulation

Modulation

Modulation

Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM

Security

Security

Security

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

Sub-channels

Sub-channels

Sub-channels

Multinational support with frequency bands and channels compliant to local
regulations.

Media Access Protocol

Media Access Protocol

Media Access Protocol

Media Access Protocol

CSMA/CA (Collision Avoidance) with ACK

Network Architecture

Network Architecture

Network Architecture

Network Architecture
Models

Models

Models

Models

Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)

Roaming

Roaming

Roaming

Roaming

IEEE 802.11 compliant roaming between access points

Output Power

Output Power

Output Power

Output Power (for CCK)

2

15 dBm

Output Power

Output Power

Output Power

Output Power (for OFDM;
power varies by data
rate)

2

15 dBm

Power Consumption

Power Consumption

Power Consumption

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

Power Management

Power Management

Power Management

ACPI compliant power management
802.11 compliant power saving mode

Receiver Sensitivity

Receiver Sensitivity

Receiver Sensitivity

Receiver Sensitivity

4

300 Mbps: -68 dBm, 54 Mbps: -74 dBm, 6 Mbps: -90 dBm

Antenna Connections

Antenna Connections

Antenna Connections

Antenna Connections

3 U.FL type connectors, 50 ohm nominal impedance

Range

Range

Range

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

Form Factor

Form Factor

Form Factor

Form Factor

PCI-Express MiniCard

Weight

Weight

Weight

Weight

0.013 lb (6 g)

Dimensions

Dimensions

Dimensions

Dimensions

0.19 x 1.2 x 2.0 in (4.75 x 29.85 x 50.8 mm)

Operating Voltage

Operating Voltage

Operating Voltage

Operating Voltage

3.3V +/- 9%, 1.5V +/- 5%

Temperature

Temperature

Temperature

Temperature

Operating
Non-operating

32° to 176° F (0° to 80° C)
–40° to 176° F (–40° to 80° C)

QuickSpecs

HP Compaq dc7900 Business PC

HP Compaq dc7900 Business PC

HP Compaq dc7900 Business PC

HP Compaq dc7900 Business PC

Technical Specifications - Communications

DA - 13029 North America — Version 15 — March 30, 2009

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