The range of signals (aka spectrum) that Over-the-Air TV occupies has changed in recent years.
Most channels have moved to the UHF spectrum, while some remain on VHF. Frequencies that were formerly used for higher numbered UHF channels have been auctioned off and allocated to LTE cellular traffic.
Because the spectrum used by LTE is adjacent to the one used by Over-the-Air TV, these signals can interfere with TV reception causing breakups in picture and sound and sometimes even total signal loss.
Some higher-end TV antennas, distribution amplifiers, and tuners (including the ones in Tablo DVRs) already include some LTE filtering, but if you live near a cell tower, investing in an LTE filter could be worthwhile for an improved experience.
LTE filters cost about $20 and are available from Amazon and specialty antenna retailers like SolidSignal.com.
Installation is easy. Just connect one end of the LTE filter to your antenna’s coaxial cable, and the other end to your TV, tuner, or DVR.
Something to keep in mind: while LTE filters can significantly reduce errors in the incoming broadcast stream, they can also reduce signal power. On channels with weaker reception this can simply introduce a different set of problems, including total loss of channels on the edge of the digital cliff.
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