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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
Sub-channelsSub-channels
Sub-channels
Multinational support with frequency bands and channels compliant to local
regulations.
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 2.4GHz band Access Points
Output Power
Output PowerOutput Power
Output Power
(for CCK
and OFDM)
2
17 dBm max
Power Consumption
Power ConsumptionPower Consumption
Power Consumption
Transmit: 2.3 Watts (max, with two spatial streams)
Receive: 1 Watt (max with two spatial streams)
Idle mode
3
: 35 mW (average)
Radio off: 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
54 Mbps: -76 dBm, 6 Mbps: -92 dBm
Antenna Connections
Antenna ConnectionsAntenna Connections
Antenna Connections
2 U.FL type connectors, 50 ohm nominal impedance
Form Factor
Form FactorForm Factor
Form Factor
PCI-Express Half-MiniCard
Weight
WeightWeight
Weight
0.0075 lb (3.4 g)
Dimensions
DimensionsDimensions
Dimensions
0.12 x 1.06 x 1.18 in (3.1 x 26.8 x 30.0 mm)
Operating Voltage
Operating VoltageOperating Voltage
Operating Voltage
3.3V +/- 9%
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 90% (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.
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.
Ralink RT3090BC4
Ralink RT3090BC4Ralink RT3090BC4
Ralink RT3090BC4
802.11b/g/n WiFi and
802.11b/g/n WiFi and802.11b/g/n WiFi and
802.11b/g/n WiFi and
Bluetooth 3.0 HS Combo
Bluetooth 3.0 HS ComboBluetooth 3.0 HS Combo
Bluetooth 3.0 HS Combo
Wireless LAN Standards
Wireless LAN StandardsWireless LAN Standards
Wireless LAN Standards
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
QuickSpecs
HP ProBook 4320s Notebook PC
HP ProBook 4320s Notebook PCHP ProBook 4320s Notebook PC
HP ProBook 4320s Notebook PC
HP ProBook 4420s Notebook PC
HP ProBook 4420s Notebook PCHP ProBook 4420s Notebook PC
HP ProBook 4420s Notebook PC
Technical Specifications
DA - 13568 North America — Version 10 — July 23, 2010
Page 27