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This signal booster strengthens the signal of your tire sensors and helps eliminate electronic interference with your TST TPMS. You can also use it to replace a lost or damaged signal booster.
Features:
Specs:
This booster - or repeater - amplifies the signal strength that the sensors send to the monitor. Booster installation requires a 12-volt power source that will be constant whie driving or towing. It is waterproof and can be mounted inside or outside your vehicle with the included mounting hardware. Repeater installation is required for warranty compliance.
Easy Installation
On a trailer, you can mount it in the battery box in front of the propane bottles. On a 5th wheel, you can install it in the house battery bay underneath the overhang. You will want to place it below the bank of mirrors so they don't bounce the signal back and cause the system to malfunction. On coaches with towed vehicles, you can install it in the back battery bay. The power draw is so minimal that you can leave the booster installed without running the battery down. If you decide to unhook it for storage remember to reconnect when you are ready to hit the road. A red light on the repeater indicates that the unit is connected to power and operating correctly.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
I've only installed it so far. My customer hasn't used it yet, but my past experience with the same product has been great. Easy installation and it does what it's intended to do.
I have it installed, leaving in a bit for a trip and I will see if I stay connected with my toad
It worked as advertised and that is just what I was looking for.
I have not experienced any loss of transducer signal since installing this booster. It works great in conjunction with the larger, color display.
I like the easy to understand directions on installation.
etrailer does a good job of getting you the part you need
in a timely manner.
I had this installed in a previous vehicle that i let go
Needed to replace it for the new one always worked great
Great price and fast shipping from etrailer
Part was exactly as advertised and has worked perfectly. Shipping was quick and on time. Next time I hope I remember to remove this part when trading in an a RV trailer!!
The booster was delivered in three days and was a replacement for one that was lost on a trailer that was totaled. Works great.
Awesome customer service and shipping always a pleasure to work with.
Appreciate the quick turnaround thank y ou
This is an excellent tire monitoring system. It monitors rv tires, tow dolly and towed car tires constantly on a rotating basis and gives us peace of mind that tires are all safe and doing fine. Highly recommended!
This is a great product when you have an extra long RV or other trailer, mine is 44+" long and this product helps get the signal to my Chevy Duramax.
Does exactly what it needs to do. There was an issue with the hubcap opening not allowing installation. Had to use valvestem extensions to facilitate installation.
This product is very popular with RVers [online]
Most have gave this product a very good review using the valve stem caps or the flow through sensors. I bought the bands that go inside the tire! I believe this sensor to be superior to the others due to the fact that I will not have to remove anything to add or remove air from the tire. Plus I will not have to worry about someone taking them off my wheels. I am looking forward to many miles of worry free RVing in the future!
You might consider buying the TST system on etrailer individually instead of a kit; I found it to be cheaper and more custom to my needs!
God Bless America like he does TEXAS ;-)
Delivered Quick.
E Trailer is my go to.
Have yet to try the second repeater so hopefully it will cure the drop outs when we get on the road again.
As far as I know now it works. It installed easy. I haven’t towed with it yet to see if it fixed my issues.
Very good product. Fast shipping and quality customer service
Thanks, TST & accessories are great quality. Service is excellent.
God Bless
The unit work very well. Would recommen d.
Great service. As always with ya'll
Fast delivery, works as advertised. Easy to install
I think if TST is going to sell tire sensors and in order to make their products work they should include the repeater. After $72 including tax and shipping installed the repeater and boom finally I have all wheels responding.
The RV manufacturer installed the OEM booster too far away from the truck to read the TPMS. I added this booster in the front storage, and it works perfectly. Issue solved - great order and shipping from etrailer.
Still works great

Stuart
5/14/2026
Still works great, install and forget about it. I do pull the fuse when it is time to put the RV into storage for the winter to prevent any draw on the batteries. Zero issues.
I had the complete TST system in my last fifth wheel, but forgot to remove the repeater when we traded it. Thus why I ordered this one. Installation is super easy and it works. There is no syncing with the monitor or sensors. It automatically boosts the signal sent by the sensors. Overall a great TPMS.
Shout out to Amber for answering a question.
Info for this part was:
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Alvin
2/20/2022
Excellent