QuickSpecs
HP ProBook 4520s Notebook PC HP ProBook 4720s Notebook PC
Technical Specifications
Adapter | IEEE 802.11n |
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Interoperability |
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Frequency Band | 2.4 GHz |
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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 | |
Security1 | Supports 64- and | |
| 802.1x authentication types | |
| MSCHAPv2, LEAP, | |
Multinational support with frequency bands and channels compliant to local | ||
| regulations. |
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Media Access Protocol CSMA/CA (Collision Avoidance) with ACK | ||
Network Architecture |
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Models | Infrastructure (Access Point Required) | |
Roaming | IEEE 802.11 compliant roaming between access points | |
Output Power (for CKK)2 17 dBm, nominal |
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Output Power (for OFDM;15 dBm, nominal |
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power varies by data |
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|
rate)2 |
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Power Consumption | Transmit: 1.5 W (max) |
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| Receive: 1.0 W (max) |
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| 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 Sensitivity3 | 54 Mbps: | |
Antenna type | High efficiency antenna with spatial diversity, mounted in the display | |
| enclosure |
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Form Factor |
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Weight | 0.013 lb (6 g) |
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Dimensions | 0.19 x 1.06 x 1.18 in (4.75 x 26.8 x 30 mm) | |
Operating Voltage | 3.3v +/- 9% |
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Temperature | Operating | 14° to 149° F |
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Humidity | Operating | 10% to 90% |
| 5% to 95% | |
Altitude | 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 | |
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010 | Page 28 |