Gsm/Gprs - CipherLab 8500 Reference Manual

1.8.4 GSM/GPRS

The 8580/8590 mobile computer is capable of data communications over free air, right
on the road.
GSM and GPRS are industrial standards for Wireless Wide Area Networking (WWAN),
which enables wireless communications over free air.
"GSM" is an abbreviation of Global System for Mobile Communications.
"GPRS" is an abbreviation of General Packet Radio Service.
GPRS, a packet-switched technology based on GSM (circuit-switched), allowing
information to be transmitted or received more quickly, immediately and efficiently
across the mobile network. GPRS Class B mobile devices can be attached to both GSM
and GPRS services, using one service at a time.
Take the following steps to insert your SIM card when GSM/GPRS networking is
desired —
1) Turn off the mobile computer.
2) Hold the mobile computer still and unscrew the four screws of the top enclosure.
3) Take out the GSM/GPRS card from the mobile computer.
4) Check the card orientation and insert the SIM card to the SIM card holder on the
GSM/GPRS card.
5) Put the GSM/GPRS card back to the mobile computer.
6) Screw the top enclosure tightly.
Figure 13: Inserting the SIM Card
Chapter 1 Using 8500 Mobile Computer
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