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2: Installation
Internal Signal Splitter
The MBX-4 receivers feature an internal signal splitter for use with the
MGL-4 antenna. The Internal Signal Splitter separates the GPS and
beacon signals. The beacon portion of the combined signal is supplied
to the internal beacon receiver, while the GPS signal is re-directed out
of the receiver through the TNC-S coaxial connector labeled GPS (see
Figure 2-6). This feature eliminates the need for a separate GPS antenna
or an external splitter box, reducing the amount of cable required for an
installation. No voltage is provided through this port and any voltage
applied to this port from an external GPS product is DC-blocked for
protection of the MBX-4.
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