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QuickSpecs
Technical Specifications
Atheros AR9485 802.11
b/g/n WiFi Adapter (1x1)
Wireless LAN Standards
Interoperability
Frequency Band
Data Rates
Modulation
1
Security
Sub-channels
Media Access Protocol
Network Architecture
Models
Roaming
Output2
Power Consumption
Power Management
3
Receiver Sensitivity
Antenna Connections
Form Factor
Weight
Dimensions
Operating Voltage
Temperature
Humidity
Altitude
LED Activity
DA - 14306 Worldwide — Version 7 — April 25, 2013
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Wi-Fi certified
2.4 GHz
802.11b: 1, 2, 5.5, 11 Mbps
802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
802.11n: many possible data rates, ranging from 6 Mbps to 300 Mbps,
depending on the combination of Bandwidth, Modulation Coding Scheme, and
Guard Interval used, as defined in IEEE 802.11n specification
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM
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.
Multinational support with frequency bands and channels compliant to local
regulations.
CSMA/CA (Collision Avoidance) with ACK
Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)
IEEE 802.11 compliant roaming between access points
13.5 dBm, nominal
Transmit: 2.0 W (max)
Receive: 1.6 W (max)
Associated to Access Point, Idle: 250 mW nominal
Wireless Button Off: 100 mW nominal
Radio disabled: 75 mW nominal
ACPI compliant power management
802.11 compliant power saving mode
72.2 Mbps: -70 dbm, 54 Mbps: -74 dBm, 11 Mbps: -88 dBm , 1 Mbps: -95 dBm
High efficiency antenna with spatial diversity, mounted in the display
enclosure
PCI-Express Half-MiniCard 1.2
0.013 lb (6 g)
0.19 x 1.06 x 1.18 in (4.75 x 26.8 x 30 mm)
3.3v +/- 9%
Operating
Non-operating
Operating
Non-operating
Operating
Non-operating
LED Off - Radio OFF; Solid LED On - Radio ON
HP ProBook 4440s/1s Notebook PC
HP ProBook 4540s Notebook PC
HP ProBook 4740s Notebook PC
14° to 158° F (-10° to 70° C)
-40° to 176° F (-40° to 80° C)
10% to 90% (non-condensing)
5% to 95% (non-condensing)
0 to 10,000 ft (3,048 m)
0 to 50,000 ft (15,240 m)
Page 29
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