IEEE 802.11g
IEEE 802.11n*
* 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%
QuickSpecs
HP ProBook 6540b Notebook PC
Technical Specifications
DA - 13465 North America — Version 13 — September 27, 2010
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