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Power Consumption
Power ConsumptionPower Consumption
Power Consumption
Transmit: 2.0 W (max)
Receive: 1.5 W (max)
Idle mode
3
: 390 mW (nominal)
Sleep mode: 20 mW (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
4
44
4
54 Mbps: -72 dBm, 11 Mbps: -88 dBm , 1 Mbps: -97 dBm
Antenna type
Antenna typeAntenna type
Antenna type
High efficiency dual band antenna with spatial diversity, mounted in the
display enclosure
Range
RangeRange
Range
802.11 a – Typical
(@6 Mbps)
600 feet – Outdoor Open Area
150 feet – Indoor, Office environment
802.11 b – Typical
(@1 Mbps)
1200 feet – Outdoor Open Area
300 feet – Indoor, Office environment
802.11 g – Typical
(@1 Mbps)
1200 feet – Outdoor Open Area
300 feet – Indoor, Office environment
Form Factor
Form FactorForm Factor
Form Factor
PCI-Express MiniCard
Weight
WeightWeight
Weight
0.026 lb (12 g)
Dimensions
DimensionsDimensions
Dimensions
0.19 x 1.2 x 2.0 in (4.75 x 29.85 x 50.8 mm)
Operating Voltage
Operating VoltageOperating Voltage
Operating Voltage
3.3v +/- 10%
Temperature
TemperatureTemperature
Temperature
Operating
Non-operating
32° to 176° F (0° to 80° 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)
Configuration Utility
Configuration UtilityConfiguration Utility
Configuration Utility
5
55
5
Choice of Configuration Utility:
Microsoft Windows XP Wireless Network Connection Manager
Broadcom Wireless Configuration Utility (required for Cisco
Compatible Extensions support)
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.
In Power Save Polling mode.
Receiver sensitivity is measured at a packet error rate of 8% for 802.11b (CKK 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. WLAN may also
be compatible with certain third-party software supplicants.
Intel PRO/Wireless
Intel PRO/WirelessIntel PRO/Wireless
Intel PRO/Wireless
3945ABG 802.11a/b/g
3945ABG 802.11a/b/g3945ABG 802.11a/b/g
3945ABG 802.11a/b/g
Network Connection
Network ConnectionNetwork Connection
Network Connection
Wireless LAN Standards
Wireless LAN StandardsWireless LAN Standards
Wireless LAN Standards
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
Interoperability
InteroperabilityInteroperability
Interoperability
Wi-Fi certified
Cisco Compatible Extensions Program compliant
(details at
www.hp.com/go/notebooks/WLAN
)
Frequency Band
Frequency BandFrequency Band
Frequency Band
2.4 GHz and 5 GHz
Data Rates
Data RatesData Rates
Data Rates
802.11b: 1, 2, 5.5, 11 Mbps
802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
QuickSpecs
HP Compaq nc6400 Notebook PC
HP Compaq nc6400 Notebook PCHP Compaq nc6400 Notebook PC
HP Compaq nc6400 Notebook PC
Technical Specifications
DA - 12446 Worldwide — Version 17 — August 10, 2007
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