Adapter
IEEE 802.11n
Interoperability
Wi-Fi certified
Frequency Band
2.4 GHz
Data Rates
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
Modulation
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM
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 Power
(for CKK)
2
17 dBm, nominal
Output Power
(for OFDM;
power varies by data
rate)
2
15 dBm, nominal
Power Consumption
Transmit: 1.5 W (max)
Receive: 1.0 W (max)
Associated to Access Point, Idle: 300 mW nominal
Wireless Button Off: 75 mW nominal
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
3
54 Mbps: -75 dBm, 11 Mbps: -88 dBm , 1 Mbps: -93 dBm
Antenna type
High efficiency 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 +/- 9%
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
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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