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  1. #1
    Regular Contributor
    Join Date
    Mar 2003
    Posts
    482

    What is the difference between the Nokia 31 and other Nokia GSM Connectivit

    What is the difference between the Nokia 31 and other Nokia GSM Connectivity Terminals?

  2. #2
    Regular Contributor
    Join Date
    Mar 2003
    Posts
    482

    RE: What is the difference between the Nokia 31 and other Nokia GSM Connectivit

    Nokia 30 is an EGSM 900/GSM 1800 frequency variant for Nokia 31. Nokia 20 GSM Connectivity Terminal is the first generation EGSM900/1800 Connectivity Terminal. The Nokia 31, the Nokia 30 and the Nokia 20 all communicate with customer application module via the M2M System Connector.<br><br>
    The main differences between the Nokia GSM Connectivity Terminals:<br><br>
    <table border=1>
    <tr>
    <td> </td>
    <td><font face="arial, helvetica" size="2"><b>Nokia 30</b></td>
    <td><font face="arial, helvetica" size="2"><b>Nokia 31</b></td>
    <td><font face="arial, helvetica" size="2"><b>Nokia 20</b></td>
    <tr>
    <td><font face="arial, helvetica" size="2">Frequency</td>
    <td><font face="arial, helvetica" size="2">EGSM 900/GSM 1800</td>
    <td><font face="arial, helvetica" size="2">GSM 850/1900</td>
    <td><font face="arial, helvetica" size="2">EGSM 900/GSM 1800</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Weight</td>
    <td><font face="arial, helvetica" size="2">65 g</td>
    <td><font face="arial, helvetica" size="2">65 g</td>
    <td><font face="arial, helvetica" size="2">182 g</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Size</td>
    <td><font face="arial, helvetica" size="2">116 cm</td>
    <td><font face="arial, helvetica" size="2">116 cm</td>
    <td><font face="arial, helvetica" size="2">441 cm</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Length</td>
    <td><font face="arial, helvetica" size="2">84 mm</td>
    <td><font face="arial, helvetica" size="2">84 mm</td>
    <td><font face="arial, helvetica" size="2">190 mm</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Width</td>
    <td><font face="arial, helvetica" size="2">53 mm</td>
    <td><font face="arial, helvetica" size="2">53 mm</td>
    <td><font face="arial, helvetica" size="2">80 mm</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Depth</td>
    <td><font face="arial, helvetica" size="2">26 mm</td>
    <td><font face="arial, helvetica" size="2">26 mm</td>
    <td><font face="arial, helvetica" size="2">29 mm</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Data bearers</td>
    <td><font face="arial, helvetica" size="2">GPRS, HSCSD, CSD, SMS, USSD</td>
    <td><font face="arial, helvetica" size="2">GPRS, CSD, SMS, USSD</td>
    <td><font face="arial, helvetica" size="2">HSCSD, CSD, SMS</td>
    <tr>
    <td><font face="arial, helvetica" size="2">RS-232</td>
    <td><font face="arial, helvetica" size="2">(Adapter, AT)</td>
    <td><font face="arial, helvetica" size="2">(Adapter, AT)</td>
    <td><font face="arial, helvetica" size="2">AT & CORBA</td>
    <tr>
    <td><font face="arial, helvetica" size="2">Antenna</td>
    <td><font face="arial, helvetica" size="2">Internal, Ext. antenna connector</td>
    <td><font face="arial, helvetica" size="2">Internal, Ext. antenna connector</td>
    <td><font face="arial, helvetica" size="2">External, Ext. antenna connector</td>
    </table><br><br>

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