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Wireless communications
The computer's wireless communication function supports both Wireless
LAN and Bluetooth devices.
Bluetooth provided with some models.
Wireless LAN
The Wireless LAN is compatible with other LAN systems based on Direct
Sequence Spread Spectrum /Orthogonal Frequency Division Multiplexing
radio technology that complies with IEEE802.11 Wireless LAN standard
(Revision A, B or G).
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Theoretical maximum speed: 54 Mbps (IEEE802.11a, 802.11g)
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Theoretical maximum speed: 11 Mbps (IEEE802.11b)
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Frequency Channel Selection (Revision A: 5 GHz, Revision B/G:
2.4 GHz)
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Roaming over multiple channels
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Card Power Management
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Wired Equivalent Privacy (WEP) data encryption, based on the 128 bit
encryption algorithm.
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Wi-Fi Protected Access (WPA)
Security
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Be sure to enable WEP (encryption) function. Otherwise your computer
will allow the illegal access by outsider through Wireless LAN to cause
illegal intrusion, eavesdropping, and loss or destruction of stored data.
TOSHIBA strongly recommend the customer to enable the WEP
function.
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TOSHIBA is not liable for the eavesdropping of data due to the use of
Wireless LAN and the damage thereof.
Bluetooth wireless technology (optional)
Bluetooth™ wireless technology eliminates the need for cables between
electronic devices such as desktop computers, printers and mobile phones.
You cannot use the built-in Bluetooth functions and an optional Bluetooth
SD card simultaneously.
Bluetooth wireless technology has the following features:
Worldwide operation
The Bluetooth radio transmitter and receiver operate in the 2.4 GHz band,
which is license-free and compatible with radio systems in most countries
in the world.
Radio links
You can easily establish links between two or more devices. The link is
maintained even if the devices are not within line of sight.
TECRA M4
Operating Basics
4-37
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