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Wireless communications
The computer's wireless communication function supports both Wireless
LAN and Bluetooth devices.
In this chapter, the descriptions on Wireless LAN or Bluetooth are
applicable to the model equipped with Wireless LAN or Bluetooth
function respectively.
Carefully check that the computer is available for Wireless LAN
communication in Tablet mode.
Laptop mode gives the highest reception sensitivity of wireless
communication. Change the operation mode of the computer to the
laptop mode when you cannot use the wireless communication in the
Tablet mode.
Also try to use the computer in the laptop mode with the LCD panel open
when you cannot use the wireless communication even if in the laptop
mode with the LCD closed.
The reception sensitivity of wireless communication becomes lower in the
operation mode described below.
Laptop mode (with LCD panel open) > Laptop mode (with LCD panel
closed) > Tablet mode
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 B or G). The configuration of the built in Wireless LAN
depends on the model you purchased
Supported features
It supports the following features:
■
Automatic Transmit Rate Select mechanism in the transmit range of
54, 48, 36, 24, 18, 12, 9 and 6 Mbit/s. (Revision G, A/B, B/G, combo
type)
■
Automatic Transmit Rate Select mechanism in the transmit range of
11, 5.5, 2 and 1 Mbit/s. (Revision B)
■
Frequency Channel Selection (Revision B/G: 2.4GHz)
■
Roaming over multiple channels
■
Card Power Management
■
Wired Equivalent Privacy (WEP) data encryption, based on the 152 bit
encryption algorithm. (Revision B/G, combo type)
■
Advanced Encryption Standard (AES) data encryption, based on 256
bit encryption algorithm. (Revision B/G, combo type)
Wake up on LAN does not function on a Wireless LAN.
Portégé M200
Operating Basics
4 17
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