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

    What is the difference between the Nokia GSM Connectivity Terminals?

    What is the difference between the Nokia GSM Connectivity Terminals?

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

    RE: What is the difference between the Nokia GSM Connectivity Terminals?

    The Nokia 30 is backwards compatible with the Nokia 20, adding new features and services. Both the Nokia 30 and the Nokia 20 have the same interface for communicating with customer application module; the M2M System Connector. Nokia 31 is a GSM 850/1900 frequency variant for Nokia 30.<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>

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