QuickSpecs

HP Compaq dc7800 Business PC

Technical Specifications - Communications

Broadcom 4311BG

Wireless LAN Standards

IEEE 802.11b

 

802.11b/g WiFi Adapter

 

IEEE 802.11g

 

 

Interoperability

Wi-Fi certified

 

 

 

Cisco Compatible Extensions Program compliant with Microsoft Windows

 

 

2000 and XP (details at: http://www.hp.com/go/notebooks/WLAN)

 

Frequency Band

2.4 GHz

 

 

Data Rates

802.11b: 1, 2, 5.5, 11 Mbps

 

 

802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps

 

Modulation

Direct Sequence Spread Spectrum

 

 

DBPSK, DQPSK, CCK, OFDM

 

Security1

Supports 64- and 128-bit WEP, WPA, WPA2, hardware-accelerated AES,

 

 

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).

 

 

Sub-channels

Multinational support with frequency bands and channels compliant to local

 

 

regulations.

 

 

Media Access Protocol

CSMA/CA (Collision Avoidance) with ACK

 

Network Architecture

Ad-hoc (Peer to Peer)

 

 

Models

Infrastructure (Access Point Required)

 

Roaming

IEEE 802.11 compliant roaming between access points

 

Output Power (for CKK)2

17.5 dBm

 

 

Output Power (for OFDM; 15 dBm

 

 

power varies by data

 

 

 

rate)2

 

 

 

Power Consumption

Transmit: 2.0 W (max)

 

 

 

Receive: 1.5 W (max)

 

 

 

Idle mode3: 390 mW (nominal)

 

 

Sleep mode: 20 mW (max)

 

 

Power Management

ACPI compliant power management

 

 

802.11 compliant power saving mode

 

Receiver Sensitivity4

54 Mbps: -72 dBm, 11 Mbps: -88 dBm , 1 Mbps: -97 dBm

 

Antenna type

High efficiency dual band antenna with spatial diversity, mounted in the

 

 

display enclosure

 

 

Range

802.11 b - Typical

1200 feet - Outdoor Open Area

 

 

(@1 Mbps)

300 feet - Indoor, Office environment

 

 

802.11 g - Typical

1200 feet - Outdoor Open Area

 

 

(@1 Mbps)

300 feet - Indoor, Office environment

 

Form Factor

PCI-Express MiniCard

 

 

Weight

0.026 lb (12 g)

 

 

Dimensions

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

 

Operating Voltage

3.3v +/- 10%

 

 

Temperature

Operating

32° to 176° F (0° to 80° C)

 

 

Non-operating

-40° to 176° F (-40° to 80° C)

DA - 12744 North America — Version 25 — May 16, 2008

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HP Gtech G-Technology G-Drive Mobile 1 Tb External Hard Drive DC7800 Broadcom 4311BG, 802.11b/g WiFi Adapter, Data Rates