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Roaming
RoamingRoaming
Roaming
IEEE 802.11 compliant roaming between access points
Output Power
Output PowerOutput Power
Output Power
(for CCK)
2
17 dBm , nominal
Output Power
Output PowerOutput Power
Output Power
(for OFDM;
power varies by data
rate)
2
15 dBm , nominal
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 Connections
Antenna ConnectionsAntenna Connections
Antenna Connections
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%
Temperature
TemperatureTemperature
Temperature
Operating
Non-operating
14° to 149° F (-10° to 65° C)
-40° to 176° F (-40° to 80° C)
Humidity
HumidityHumidity
Humidity
Operating
Non-operating
10% to 90% (non-condensing)
5% to 95% (non-condensing)
Altitude
AltitudeAltitude
Altitude
Operating
Non-operating
0 to 10,000 ft (3,048 m)
0 to 50,000 ft (15,240 m)
LED Activity
LED ActivityLED Activity
LED Activity
LED Off - Radio OFF; Solid LED On - Radio ON
Check latest software/driver release for updates on supported security features.
Maximum output power may vary by country according to local regulations.
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
Broadcom 4312GBroadcom 4312G
Broadcom 4312G
802.11b/g WiFi Adapter
802.11b/g WiFi Adapter802.11b/g WiFi Adapter
802.11b/g WiFi Adapter
Wireless LAN Standards
Wireless LAN StandardsWireless LAN Standards
Wireless LAN Standards
IEEE 802.11b
IEEE 802.11g
Interoperability
InteroperabilityInteroperability
Interoperability
Wi-Fi certified
Cisco Compatible Extensions Program compliantwith Microsoft Windows
Vista and XP (details at:
http://www.hp.com/go/notebooks/WLAN
)
Frequency Band
Frequency BandFrequency Band
Frequency Band
2.4 GHz
Data Rates
Data RatesData Rates
Data Rates
802.11b: 1, 2, 5.5, 11 Mbps
802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
Modulation
ModulationModulation
Modulation
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM
QuickSpecs
HP EliteBook 2540p Notebook PC
HP EliteBook 2540p Notebook PCHP EliteBook 2540p Notebook PC
HP EliteBook 2540p Notebook PC
Technical Specifications
DA - 13566 North America — Version 7 — May 11, 2010
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