Forum Discussion
Gdetrailer
Apr 22, 2018Explorer III
dockmasterdave wrote:
Hi Johno02 We have used 2 different tv's, both vizeo's, on the same antenna, in the same location. I got @ 3 channels on 1, the other @ 13 channels, so obviously they have different quality tuners.
We will be in fringe areas quite a bit over the summer and want to start with the best tuner. We do have a wineguard with wingman and a booster. A 28" class, smart tv, so we can still get something in fringe areas via verizon mifi is still in the mid $300's and no way, I can see, of finding out which model has a good tuner and which model they cheaped out, on the tuner in.
The problem IS NOT the "tuners", it is HOW the signal from the antenna is being SPLIT.
Pretty much standard issue is these critters..

They are "passive" splitters, they EAT your signal, cutting a already weak signal into a bit more than half for two way.
Passive splitters worked OK with the old analog broadcasts, but the change to digital and they no longer work well. Digital broadcasts are really touchy about Radio interference (RFI) and reducing the weak signal allows for LOCAL noise created by stuff inside your trailer (including TV tuners) to interfere with your TV reception.
The "fix"?
Amplified couplers.

Amplified couplers have a built in wideband preamp for EACH ouptut so instead of a large signal loss each port will now have some signal GAIN..
The downside to amplified couplers is they do cost more than passive splitters and they do require a DC voltage to operate.
Amplified couplers often do have remote power capability via a power inserter which means you do not need the coupler to be close to a power source.
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