The MRF-350 receives Narrow Band RF (radio frequency) signals via the RFX-250 RF Sensor (antenna module). The RFX-250 displays RF interference via a bright red LED which flickers when interference is present. Simply relocate the RFX-250 out of the interference area to resolve the problem.
Universal Remote Control MRF-350 Addressable Narrow Band RF Base Station with RFX-250 Antenna, Universal Remote Control, Inc ADI, URC
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