navilock mod.61801 fehler

  • hi to all
    i have buy a navilock mod.61801 antenne reciver
    and roadscaut 2003 used


    i have instal without any problem and start it
    untill now no problem but wenn 1 minute is past
    no more signal...i control the com and i see the program dont found no more the gps
    i switch of usb and insert another time
    gps found com 3
    1 minute and this past another time!!!
    any one know why this problem come?


    boudrate 4800
    profilic usb install update


    its a little bit confuse but i am italian and i have problem to write in englisch
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