It depends entirely on what you mean by "long range digital".
First - there is no such thing as a "digital" antenna - an antenna is an antenna is an antenna.
Now, TV reception and especially digital reception is more of an art than a science, so within certain parameters it is usually governed by trial and error.
CM rates this antenna for reception up to 60 miles. That would be over flat, level (is that a redundancy) ground with no obstructions.
I consider this CM2020 to be a midrange antenna, not a long range antenna.
If you are in the LA area and have a view from 60, maybe more, miles away of Mt. Wilson, this antenna will probably work for you.
As a general rule the larger the antenna is, the more elements it has, the further it can receive stations.
Channel master has quite a few larger antennas that would get more signal out of the thin air than the CM2020, and If you are looking at VHF high /UHF combo antennas Winegard makes a complete line of them from the HD7694 to the HD7698 which is a monster, all of which are stronger at collecting signal than the CM2020.
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