Just keep in mind the JACK requires a DC voltage from the cable to operate.
I too compared the two antenna a few years ago and also found the JACK antenna was better. However in my case the JACK Antenna really had to be spot on pointing to the TV source compared to the BATWING and both of them picked up the same TV signals where I was at doing the comparison... My BATWING antenna also has a built-in amplified like the Jack does... Both antennas fit the same mounting head... I will switch off sometimes...
In my case sitting here in King George and pointing to Washington DC TV towers 50-60 miles I have to move my antenna somewhat if I am using the JACK antenna... Washington DC has TV towers on both sides of the town... When using the BATWING setup I can get all of the TV stations with same direction pointing...
They best antenna test was using one of the LOWES $90 full yagi antenna... It didn't last very long however for me having to take it down and folded up everytime I packed up for travel mode... It also would hit tree branches a lot turning it haha... I actually had in a few camp sites for awhile and sure got a lot of comments from the RV bunch haha...
Another antenna I used in my test was the eight BOW-TIE flat panel array. This worked outstanding as well - probably better than the JACK. I could tell right away however that it would not hold up to be taken down and stowed for travel so never considered using it on the POPUP trailer... It is currently on the peak of my house here picking up OTA antenna signals...
In my situation the BATWING is the best one for me to use...

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Roy Ken
