* In countries where 802.11n is not allowed, this capability is not
enabled.
Interoperability
Wi-Fi certified
Cisco Compatible Extensions Program compliant with Microsoft
Windows Vista and XP
Frequency Band
2.4 GHz and 5GHz
Antenna Structure
2 transmit; 2 receive (2x2)
Data Rates
802.11a: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
802.11b: 1, 2, 5.5, 11 Mbps
802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
802.11n: 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
specification
Modulation
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM
Security
1
Authentication: WPA and WPA2, 802.1x (EAP_TLS, TTLS, PEAP,
LEAP, EAP-FAST)
Authentication Protocols: PAP, CHAP, TLS, GTC, MS-CHAP, MS-
CHAPv2
Encryption: 64 and 128-bit WEP, AES-CCMP, CKIP, TKIP
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 2.4GHz band Access Points
Output Power
(for CCK
and OFDM)
2
17 dBm max
Power Consumption
Transmit: 2.3 Watts (average, with one spatial streams)
Receive: 1 Watt (max with two spatial streams)
Idle mode
3
: 35 mW (average)
Radio off: 20 mW (max)
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
4
54 Mbps: -76 dBm, 6 Mbps: -92 dBm
Antenna Connections
2 U.FL type connectors, 50 ohm nominal impedance
Form Factor
PCI-Express Half-MiniCard
Weight
0.0075 lb (3.4 g)
Dimensions
0.12 x 1.06 x 1.18 in (3.1 x 26.8 x 30.0 mm)
Operating Voltage
3.3V +/- 9%
Temperature
Operating
Non-operating
32° to 176° F (0° to 80° C)
–40° to 176° F (–40° to 80° C)
Humidity
Operating
Non-operating
10% to 90% (non-condensing)
5% to 90% (non-condensing)
QuickSpecs
HP ProBook 6440b Notebook PC
Technical Specifications
DA - 13462 Worldwide QuickSpecs — Version 6 — 2.10.2010
Page 30
