1. ASAIK, none of these cheaper consumer rotors are made here anymore,
2. Most, if not all are Channel Master clones (rip offs),
3. AFAIC, they are all about the same as far as quality.
When the Eagle Aspen DiSEqC rotor becomes available again, that is the one exception. Completely different design.
Keep OTA TV alive. We don't need any more wireless devices! The wireless industry has taken enough of the TV spectrum.