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 Power (for CCK)
2
17 dBm , nominal
Output Power (for OFDM;
power varies by data
rate)
2
15 dBm , nominal
Power Consumption
Idle associated: 250 mW
Idle unassociated: 150 mW
Transmit/Receive 20 MHz channel: 2.0 W (max)
Transmit/Receive 40 MHz channel: 2.0 W (max)
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
3
270 Mbps: -61dBm, , 54 Mbps: -72 dBm, 11 Mbps: -85 dBm , 1 Mbps: -
92 dBm
Antenna type
High efficiency dual band antenna with spatial diversity, mounted in the
display enclosure
Form Factor
PCI-Express Half-MiniCard
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 +/- 10%
Temperature
Operating
Non-operating
14° to 149° F (-10° to 65° 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
Check latest software/driver release for updates on supported security features.
1.
Maximum output power may vary by country according to local regulations.
2.
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).
3.
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.
4.
Broadcom 4312G
802.11b/g WiFi
Adapter
Wireless LAN StandardsIEEE 802.11b
IEEE 802.11g
Interoperability
Wi-Fi certified
Cisco Compatible Extensions Program compliantwith Microsoft Windows
Vista and XP (details at:
http://www.hp.com/go/notebooks/WLAN
)
Frequency Band
2.4 GHz
QuickSpecs
HP ProBook 4520s Notebook PC HP ProBook
4720s Notebook PC
Technical Specifications
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010
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