Security
1
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.
Sub-channels
Multinational support with frequency bands and channels compliant to local
regulations.
Media Access Protocol
CSMA/CA (Collision Avoidance) with ACK
Network Architecture
Models
Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)
Roaming
IEEE 802.11 compliant roaming between access points
Output
2
13.5 dBm, nominal
Power Consumption
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
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
3
72.2 Mbps: -70 dbm, 54 Mbps: -74 dBm, 11 Mbps: -88 dBm , 1 Mbps: -95 dBm
Antenna Connections
High efficiency antenna with spatial diversity, mounted in the display
enclosure
Form Factor
PCI-Express Half-MiniCard 1.2
Weight
0.013 lb (6 g)
Dimensions
0.19 x 1.06 x 1.18 in (4.75 x 26.8 x 30 mm)
Operating Voltage
3.3v +/- 9%
Temperature
Operating
Non-operating
14° to 158° F (-10° to 70° C)
-40° to 176° F (-40° to 80° C)
Humidity
Operating
Non-operating
10% to 90% (non-condensing)
5% to 95% (non-condensing)
Altitude
Operating
Non-operating
0 to 10,000 ft (3,048 m)
0 to 50,000 ft (15,240 m)
LED Activity
LED Off - Radio OFF; Solid LED On - Radio ON
1. Check latest software/driver release for updates on supported security features.
2. Maximum output power may vary by country according to local regulations.
3. 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).
AUDIO/MULTIMEDIA
QuickSpecs
HP ProBook 4440s/1s Notebook PC
HP ProBook 4540s Notebook PC
Technical Specifications
DA - 14306 North America — Version 7 — April 25, 2013
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