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
802.11b/g WiFi
Adapter
Wireless LAN StandardsIEEE 802.11b
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 |
| 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)217 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 QuickSpecs — Version 1 — 5.5.2010 | Page 31 |