User's Manual
Table Of Contents
- Copyright Notice
- FCC Regulations
- Care & Maintenance
- Getting Started
- Preface
- CHAPTER 1: Introducing CPT-8500
- CHAPTER 2: Installing CPT-8500
- CHAPTER 3: Software Architecture
- CHAPTER 4: Configuring CPT-8500
- CHATPER 5: Managing CPT-8500
- Specifications
- Troubleshooting
- Appendix I - Download Utilities
- Index
Chapter 1 Introducing CPT-8500 19
GSM/GPRS
When the GSM/GPRS module is installed, the terminal is capable of data communications
over free air, 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.
GSM/GPRS Specification
Card type:
CF Type I
Tri band data radio:
EGSM 900, DCS 1800 and PCS 1900 (MHz)
Data rate:
8 ~ 12 kbps Send; 32 ~ 40 kbps Receive
GPRS Class:
Class B
Multi-slot Class:
Class 8 (4 Rx/ 1 Tx/ 5 Sum)
Standard:
GSM & GPRS
Note: All specifications are subject to change without prior notice.
This spec. may
differ due to
the change of
supplier.