1.
2.
3.
4.
5.
Maximum output power may vary by country according to local regulations.
In Power Save Polling mode and on battery power.
Receiver sensitivity is measured at a packet error rate of 8% for 802.11b (CCK modulation) and a
packet error rate of 10% for 802.11a/g (OFDM modulation).
WLAN supplier's client utility is required for Cisco Compatible Extensions support with Microsoft
Windows XP. WLAN may also be compatible with certain third-party software supplicants. WLAN
supplier IHV extensions required for Cisco Compatible Extensions support for Microsoft Windows
Vista.
Broadcom 4312G
802.11b/g WiFi Adapter
Wireless LAN Standards
IEEE 802.11b
IEEE 802.11g
Interoperability
Wi-Fi certified
Cisco Compatible Extensions Program compliantwith Microsoft Windows Vista
and XP
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
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
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 access points
Output Power
(for CCK)
2
17 dBm , nominal
Output Power
(for OFDM;
power varies by data rate)
2
15 dBm , nominal
Power Consumption
Idle associated: 250 mW
Idle unassociated: 150 mW
Transmit: 2.0 W (max)
Receive: 2.0 W (max)
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
3
54 Mbps: -71 dBm, 11 Mbps: -85 dBm , 1 Mbps: -95 dBm
Antenna type
High efficiency dual band antenna with spatial diversity, mounted in the
display enclosure
Form Factor
PCI-Express Half-MiniCard
QuickSpecs
HP ProBook 6540b Notebook PC
Technical Specifications
DA - 13465 North America — Version 13 — September 27, 2010
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