HP 2540P manual Humidity, WiFi Adapter, Frequency Support

QuickSpecs

HP EliteBook 2540p Notebook PC

Technical Specifications

Temperature	Operating	32° to 176° F (0° to 80° C)
	Non-operating	-40° to 176° F (-40° to 80° C)
Humidity	Operating	10% to 90% (non-condensing)
	Non-operating	5% to 90% (non-condensing)
Altitude	Operating	0 to 10,000 ft (3,048 m)
	Non-operating	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.In Power Save Polling mode and on battery power.

4.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).

5.WLAN supplier's client utility is required for Cisco Compatible Extensions support with Microsoft Windows XP. WLAN may also be compatible with certain third-party software supplicants. WLAN supplier IHV extensions required for Cisco Compatible Extensions support for Microsoft Windows Vista.

Broadcom 4322AGN	Wireless LAN Standards	IEEE 802.11a
802.11a/b/g/n		IEEE 802.11b
WiFi Adapter		IEEE 802.11g
		IEEE 802.11n*
	Interoperability	Wi-Fi certified (802.11abg only)
		Cisco Compatible Extensions Program compliant (802.11abg only) with
		Microsoft Windows Vista and XP (details at:
		http://www.hp.com/go/notebooks/WLAN)
	Frequency Band	2.4 GHz and 5 GHz
	Data Rates	802.11b: 1, 2, 5.5, 11 Mbps
		802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
		802.11n: 6, 6.5, 9, 12, 13, 13.5, 18, 19.5, 24, 26, 27, 36, 39, 40.5, 48,
		52, 54, 58.5, 65, 78, 81, 104, 108, 117, 121.5, 130, 135, 162, 216,
		243, 270, 300 Mbps
	Frequency Support	20 MHz: 2.4 GHz and 5 GHz bands
		40 MHz: 2.4 GHz and 5 GHz bands
	Modulation	Direct Sequence Spread Spectrum
		DBPSK, DQPSK, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM
	Security1	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.
		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.
	Sub-channels	Multinational support with frequency bands and channels compliant to local
		regulations.
	Media Access Protocol	CSMA/CA (Collision Avoidance) with ACK
	Network Architecture	Ad-hoc (Peer to Peer)
	Models	Infrastructure (Access Point Required)

DA - 13566 North America — Version 7 — May 11, 2010 Page 30