Toshiba Portege X20W-D PRT13U-058004 Portege X20W-D Series Users Guide English - Page 111

Bluetooth® wireless technology, Radio Regulatory Information

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Range is also impacted due to "obstacles" in the signal path of the radio that might either absorb or reflect the radio signal. Radio Frequency Interference Requirements This device is restricted to indoor use due to its operation in the 5.15 to 5.25GHz frequency range. High-power radars are allocated as primary users (i.e. priority users) of the bands 5.25 to 5.35GHz and 5.65 to 5.85GHz and that these radars could cause interference and/or damage to LE-LAN devices. Bluetooth® wireless technology Some computers in this series have Bluetooth® wireless communication function which eliminates the need for cables between electronic devices such as computers, printers, and mobile phones. When it is enabled, Bluetooth® provides the wireless personal area network environment which is safe and trustworthy, that is quick and easy. You cannot use the built-in Bluetooth® functions of the computer and an external Bluetooth® adaptor simultaneously. For reference, Bluetooth® wireless technology has the following features: Security Two advanced security mechanisms ensure a high level of security: Authentication prevents access to critical data and makes it impossible to falsify the origin of a message. Encryption prevents eavesdropping and maintains link privacy. 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, with these links being maintained even if the devices are not within a line-of-sight of each other. Radio Regulatory Information The Wireless device must be installed and used in strict accordance with the manufacturer's instructions as described in the user documentation that comes with the product. This product complies with the following radio frequency and safety standards. User's Manual 7-7

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Range is also impacted due to "obstacles" in the signal path of the
radio that might either absorb or reflect the radio signal.
Radio Frequency Interference Requirements
This device is restricted to indoor use due to its operation in the 5.15 to
5.25GHz frequency range.
High-power radars are allocated as primary users (i.e. priority users) of the
bands 5.25 to 5.35GHz and 5.65 to 5.85GHz and that these radars could
cause interference and/or damage to LE-LAN devices.
Bluetooth
®
wireless technology
Some computers in this series have Bluetooth
®
wireless communication
function which eliminates the need for cables between electronic devices
such as computers, printers, and mobile phones. When it is enabled,
Bluetooth
®
provides the wireless personal area network environment which
is safe and trustworthy, that is quick and easy.
You cannot use the built-in Bluetooth
®
functions of the computer and an
external Bluetooth
®
adaptor simultaneously. For reference, Bluetooth
®
wireless technology has the following features:
Security
Two advanced security mechanisms ensure a high level of security:
Authentication prevents access to critical data and makes it impossible
to falsify the origin of a message.
Encryption prevents eavesdropping and maintains link privacy.
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, with these
links being maintained even if the devices are not within a line-of-sight of
each other.
Radio Regulatory Information
The Wireless device must be installed and used in strict accordance with
the manufacturer’s instructions as described in the user documentation that
comes with the product. This product complies with the following radio
frequency and safety standards.
User's Manual
7-7