1.
2.
3.
4.
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 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 avg (CLKREQ enabled)
Idle unassociated: 425 mW avg
Transmit/Receive 20 MHz channel: 5.5 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
72.2 Mbps: -71dBm
Antenna type
Antenna typeAntenna type
Antenna type
High efficiency dual band antenna with spatial diversity, usually 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 and Win7.
HP Integrated Module
HP Integrated ModuleHP Integrated Module
HP Integrated Module
with Bluetooth 2.1+EDR
with Bluetooth 2.1+EDRwith Bluetooth 2.1+EDR
with Bluetooth 2.1+EDR
Wireless Technology
Wireless TechnologyWireless Technology
Wireless Technology
Bluetooth Specification
Bluetooth SpecificationBluetooth Specification
Bluetooth Specification
2.1+EDR Compliant
Dimensions
DimensionsDimensions
Dimensions
1.18 x 0.26 x 0.13 in (30 x 6.5 x 3.25 mm)
Frequency Band
Frequency BandFrequency Band
Frequency Band
2402 to 2480 MHz
Number of Available
Number of AvailableNumber of Available
Number of Available
Channels
ChannelsChannels
Channels
79 (1 MHz) available channels
Data Rates and
Data Rates andData Rates and
Data Rates and
Throughput
ThroughputThroughput
Throughput
3 Mbps data rate; throughput up to 2.17 Mbps
Synchronous Connection Oriented links up to 3, 64 kbps, voice channels
Asynchronous Connection Less links 2178.1 kbps/177.1 kbps asymmetric or
1306.9 kbps symmetric
QuickSpecs
HP ProBook 4425s Notebook PC
HP ProBook 4425s Notebook PCHP ProBook 4425s Notebook PC
HP ProBook 4425s Notebook PC
Technical Specifications
DA - 13610 North America — Version 10 — November 23, 2010
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