Modulation
Modulation
Modulation
Modulation
Direct Sequence Spread Spectrum
DBPSK, DQPSK, CCK, OFDM
Security
Security
Security
Security
1
1
1
1
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, EAP-SIM.
Support for Cisco Security Features (proven compatibility with Cisco Aironet
infrastructure products through the Cisco Compatible Extensions Program
Version 4).
Sub-channels
Sub-channels
Sub-channels
Sub-channels
Multinational support with frequency bands and channels compliant to local
regulations.
Media Access Protocol
Media Access Protocol
Media Access Protocol
Media Access Protocol
CSMA/CA (Collision Avoidance) with ACK
Network Architecture
Network Architecture
Network Architecture
Network Architecture
Models
Models
Models
Models
Ad-hoc (Peer to Peer)
Infrastructure (Access Point Required)
Roaming
Roaming
Roaming
Roaming
IEEE 802.11 compliant roaming between access points
Output Power
Output Power
Output Power
Output Power (for CKK)
2
17.5 dBm
Output Power
Output Power
Output Power
Output Power (for OFDM;
power varies by data
rate)
2
15 dBm
Power Consumption
Power Consumption
Power Consumption
Power Consumption
Transmit: 2.0 W (max)
Receive: 1.5 W (max)
Idle mode
3
: 390 mW (nominal)
Sleep mode: 20 mW (max)
Power Management
Power Management
Power Management
Power Management
ACPI compliant power management
802.11 compliant power saving mode
Receiver Sensitivity
Receiver Sensitivity
Receiver Sensitivity
Receiver Sensitivity
4
4
4
4
54 Mbps: -72 dBm, 11 Mbps: -88 dBm , 1 Mbps: -97 dBm
Antenna type
Antenna type
Antenna type
Antenna type
High efficiency dual band antenna with spatial diversity, mounted in the
display enclosure
Range
Range
Range
Range
802.11 b – Typical
(@1 Mbps)
1200 feet – Outdoor Open Area
300 feet – Indoor, Office environment
802.11 g – Typical
(@1 Mbps)
1200 feet – Outdoor Open Area
300 feet – Indoor, Office environment
Form Factor
Form Factor
Form Factor
Form Factor
PCI-Express MiniCard
Weight
Weight
Weight
Weight
0.026 lb (12 g)
Dimensions
Dimensions
Dimensions
Dimensions
0.19 x 1.2 x 2.0 in (4.75 x 29.85 x 50.8 mm)
Operating Voltage
Operating Voltage
Operating Voltage
Operating Voltage
3.3v +/- 10%
Temperature
Temperature
Temperature
Temperature
Operating
Non-operating
32° to 176° F (0° to 80° C)
-40° to 176° F (-40° to 80° C)
Humidity
Humidity
Humidity
Humidity
Operating
Non-operating
10% to 90% (non-condensing)
5% to 95% (non-condensing)
Altitude
Altitude
Altitude
Altitude
Operating
Non-operating
0 to 10,000 ft (3,048 m)
0 to 50,000 ft (15,240 m)
QuickSpecs
HP Compaq tc4400 Tablet PC
HP Compaq tc4400 Tablet PC
HP Compaq tc4400 Tablet PC
HP Compaq tc4400 Tablet PC
Technical Specifications
DA - 12443 Canada — Version 13 — February 13, 2007
Page 30