I have the Smart Navi Digitalk NAV-I400B gps unit and would like to know what connector fits the external antenna hole.
I have tried a MMCX connecter but that is too small and I have tried a MCX connecter and that is too big. The diameter of the external connection hole on my GPS is 3mm and the outside diameter on a MCX antenna is a shade under 4mm. It appears that the little lip at the end of an MCX antenna prevents that fitting.
I thought there was only two types of connector MMCX and MCX for GPS units. I have a feeling it may be a SMB-F fitting.
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