User's Manual

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M590 GPRS Module Hardware User Guide

Table of Tables

Table 1-1 M590 specifications ................................................................................................................. 2

Table 2-1 M590 pin definition ................................................................................................................. 4

Table 3-1 Power supply and switch interface .......................................................................................... 7

Table 3-2 UART .................................................................................................................................... 13

Table 3-3 DTR and RING pins .............................................................................................................. 15

Table 3-4 SIM Card Interface ................................................................................................................ 16

Table 3-5 LED indicator ........................................................................................................................ 18

Table 4-1 Electric feature of the module ................................................................................................ 22

Table 4-2 Temperature Feature .............................................................................................................. 22

Table 4-3 Current feature ....................................................................................................................... 23

Table 4-4 ESD feature of the module .................................................................................................... 23

Table 5-1 Work band .............................................................................................................................. 25

Table 5-2 Transmitting power (EGSM900) ........................................................................................... 25

Table 5-3 Transmitting power (DCS1800) ............................................................................................ 25