HP ProBook 4520s Quickspecs page 28

QuickSpecs
Technical Specifications
Adapter
Interoperability
Frequency Band
Data Rates
Modulation
1
Security
Sub-channels
Media Access Protocol CSMA/CA (Collision Avoidance) with ACK
Network Architecture
Models
Roaming
2
Output Power (for CKK)
Output Power (for OFDM;
power varies by data
2
rate)
Power Consumption
Power Management
3
Receiver Sensitivity
Antenna type
Form Factor
Weight
Dimensions
Operating Voltage
Temperature
Humidity
Altitude
LED Activity
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010
HP ProBook 4520s Notebook PC HP ProBook
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
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.
Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)
IEEE 802.11 compliant roaming between access points
17 dBm, nominal
15 dBm, nominal
Transmit: 1.5 W (max)
Receive: 1.0 W (max)
Associated to Access Point, Idle: 300 mW nominal
Wireless Button Off: 75 mW nominal
ACPI compliant power management
802.11 compliant power saving mode
54 Mbps: -75 dBm, 11 Mbps: -88 dBm , 1 Mbps: -93 dBm
High efficiency antenna with spatial diversity, mounted in the display
enclosure
PCI-Express Half-MiniCard
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
4720s Notebook PC
14° to 149° F (-10° to 65° 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 28