QuickSpecs
HP ProBook 4425s Notebook PC HP ProBook 4525s Notebook PC
Technical Specifications
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 |
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 (CCK modulation) and a packet error rate of 10% for 802.11a/g (OFDM modulation).
4.WLAN supplier's client utility is required for Cisco Compatible Extensions support with Microsoft Windows XP. WLAN may also be compatible with certain
Broadcom 4312G | Wireless LAN Standards | IEEE 802.11b |
802.11b/g WiFi Adapter |
| IEEE 802.11g |
| Interoperability | |
|
| Cisco Compatible Extensions Program compliantwith Microsoft Windows |
|
| Vista and XP (details at: http://www.hp.com/go/notebooks/WLAN) |
| 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 |
| Modulation | Direct Sequence Spread Spectrum |
|
| DBPSK, DQPSK, CCK, OFDM |
| Security1 | Supports 64- and |
|
| 802.1x authentication types |
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| MSCHAPv2, LEAP, |
|
| Support for Cisco Security Features (proven compatibility with Cisco Aironet |
|
| infrastructure products through the Cisco Compatible Extensions Program |
|
| Version 4) with Microsoft Windows Vista and XP only. |
| Multinational support with frequency bands and channels compliant to local | |
|
| regulations. |
| Media Access Protocol | CSMA/CA (Collision Avoidance) with ACK |
| Network Architecture | |
| Models | 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; 15 dBm , nominal | |
| power varies by data |
|
| rate)2 |
|
| Power Consumption | Idle associated: 250 mW |
|
| Idle unassociated: 150 mW |
|
| Transmit: 2.0 W (max) |
|
| Receive: 2.0 W (max) |
| Power Management | ACPI compliant power management |
|
| 802.11 compliant power saving mode |
| Receiver Sensitivity3 | 54 Mbps: |
DA - 13610 Worldwide — Version 8 — September 14, 2010 | Page 31 |