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WiFi Adapter
WiFi AdapterWiFi Adapter
WiFi Adapter
IEEE 802.11g
IEEE 802.11n
Interoperability
InteroperabilityInteroperability
Interoperability
Wi-Fi certified (802.11abg only)
Cisco Compatible Extensions Program compliant (802.11abg only) with
Microsoft Windows Vista and XP
Frequency Band
Frequency BandFrequency Band
Frequency Band
2.4 GHz and 5 GHz
Data Rates
Data RatesData 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: 6, 6.5, 9, 12, 13, 13.5, 18, 19.5, 24, 26, 27, 36, 39, 40.5, 48,
52, 54, 58.5, 65, 78, 81, 104, 108, 117, 121.5, 130, 135, 162, 216,
243, 270, 300 Mbps
Frequency Support
Frequency SupportFrequency Support
Frequency Support
20 MHz: 2.4 GHz and 5 GHz bands
40 MHz: 2.4 GHz and 5 GHz bands
Modulation
ModulationModulation
Modulation
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM
Security
SecuritySecurity
Security
1
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) with Microsoft Windows Vista and XP only.
Sub-channels
Sub-channelsSub-channels
Sub-channels
Multinational support with frequency bands and channels compliant to local
regulations.
Media Access Protocol
Media Access ProtocolMedia Access Protocol
Media Access Protocol
CSMA/CA (Collision Avoidance) with ACK
Network Architecture
Network ArchitectureNetwork Architecture
Network Architecture
Models
ModelsModels
Models
Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)
Roaming
RoamingRoaming
Roaming
IEEE 802.11 compliant roaming between access points
Output Power
Output Power Output Power
Output Power
(for CCK)
2
17 dBm
Output Power
Output Power Output Power
Output Power
(for OFDM;
power varies by data
rate)
2
15 dBm
Power Consumption
Power ConsumptionPower Consumption
Power Consumption
Idle associated: 250 mW
Idle unassociated: 150 mW
Transmit/Receive 20 MHz channel: 2.0 W (max)
Transmit/Receive 40 MHz channel: 2.0 W (max)
Power Management
Power ManagementPower Management
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
Receiver SensitivityReceiver Sensitivity
Receiver Sensitivity
3
270 Mbps: -61dBm, , 54 Mbps: -72 dBm, 11 Mbps: -85 dBm , 1 Mbps: -
92 dBm
Antenna type
Antenna typeAntenna type
Antenna type
High efficiency dual band antenna with spatial diversity, mounted in the
display enclosure
Form Factor
Form FactorForm Factor
Form Factor
PCI-Express Half-MiniCard
Weight
WeightWeight
Weight
0.013 lb (6 g)
Dimensions
DimensionsDimensions
Dimensions
0.19 x 1.06 x 1.18 in (4.75 x 26.8 x 30 mm)
Operating Voltage
Operating VoltageOperating Voltage
Operating Voltage
3.3v +/- 10%
QuickSpecs
HP ProBook 6440b Notebook PC
HP ProBook 6440b Notebook PCHP ProBook 6440b Notebook PC
HP ProBook 6440b Notebook PC
Technical Specifications
DA - 13462 Worldwide — Version 6 — February 10, 2010
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