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Chapter 9: Peripheral Devices & Accessories
Bluetooth Peripherals
326 WORKABOUT PRO Hand-Held Computer With Windows Mobile 5.0 User Manual
The functionality of the WORKABOUT PRO tether port is replicated into RS-232
serial interfaces by the port replicator. It provides the user with 3 DB9 serial
interfaces as well as one Type B USB port (for connecting a Host device).
9.11 Bluetooth Peripherals
The WORKABOUT PRO C (a unit equipped with a colour display)–comes
equipped with a Bluetooth radio, making it is possible to communicate with a
variety of Bluetooth peripherals, including GSM/GPRS handsets, scanners, printers,
and so on.
The range of the Bluetooth radio is limited to approximately 5 meters.
Psion Teklogix provides built-in support for the Bluetooth peripherals listed below.
• GSM/GPRS universal handset
• Bluetooth printer
Keep in mind that Bluetooth and IEEE 802.11g radios both operate in the 2.4GHz
band. Although the WORKABOUT PRO includes features to minimize
interference, performance of the system will not be optimal if you use both radios
simultaneously. Typically, when both radios operate in the hand-held at the same
time, they cannot transmit simultaneously
–this has a negative impact on overall
system throughput. To minimize the impact on the backbone 802.11g network,
Psion Teklogix recommends using Bluetooth peripherals that have low transaction
rates (such as printers and scanners).
Refer to “Bluetooth Setup” on page 219 for information about setting up your Blue-
tooth devices for communication. In addition, review the manual shipped with your
Bluetooth device to determine the method used to associate with the WORK-
ABOUT PRO host.