|Item Weight||1.3 ounces|
|Product Dimensions||6 x 4 x 1.5 inches|
|Item model number||855lm|
|Item Package Quantity||1|
LiftMaster 855lm Homelink Repeater Kit
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- Enter your model number to make sure this fits.
- Converts and accepts a non-compatible homelink signal into a security+ 2.0 compatible signal
- Compatible with vehicles that are equipped with homelink
- Can be programmed to work with more than one security+ 2.0 garage door opener
- Kit contains a repeater and a "learning" remote control
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Not sure if you need a repeater kit? Find out by visiting www.homelink.com and clicking on "Program My Home Link" and then "Program My Repeater". Sentex/Chamberlain Brands Homelink Repeater - A3W_O2-855LM by Sentex/Chamberlain Brands.
Top customer reviews
The instructions are quite clear. The 'remote' is solely used to program the vehicle's HL button. After that, keep it in case you ever need to reprogram that button or program another HL button.
The repeater is the unit with the wire antenna - on the right side of the picture as of when I'm writing this. It has an AC plug. It can plug into an AC outlet and not interfere with a regular plug in the other outlet.
It took less than five minutes to setup the unit and operate the opener through the HL button in the vehicle. Here is a short form instruction set, assuming you already know the HL basics for your vehicle:
1. Erase your vehicle's HL buttons. See vehicle owner's manual. Probably hold two outer buttons down until LED starts blinking rapidly.
2. Press and hold down both the HL button you want to program and the button on the remote that comes with the repeater. Keep both pressed until vehicle HL LED blinks rapidly. With my vehicle this took less than one second although they say it may take up to about 30 seconds.
3. Plug the repeater into an AC outlet.
4. Press Learn button on the garage door opener or the main control panel on the wall if it has one. Within about 20 to 30 seconds, press the HL button in the vehicle that you just programmed. Keep it pressed until the garage door opener responds. The LiftMaster blinks its light. You're done. Test it.
Some reviewers commented that the repeater won't work if you have a power outage and that therefore the repeater ought to have a battery. That seems a valid point although it is only relevant if (a) your opener has battery backup and (b) you do not have a generator providing AC backup for your house during a power outage. Another work-around, though, is to have an external (to the house) remote keypad. This is usually an available option for the opener and it will probably work so long as your opener is powered.
Highly recommended if you have a vehicle that requires it.
If this review was useful please let me know by voting for it.
Why do you need this? Homelink (not Chamberlain or Liftmaster) has developed a more sophisticated wireless encoding system that is being used in new vehicles. To fix this, Chamberlain and Liiftmaster developed a transceiver that recognizes the older door opener codes and translates it to version 2.0 Homelink codes. This allows older vehicles to work with Version 2.0. Seems like an easy way to add $25 to the price. Why not make it backward compatible?
This does reduce the security of the coding scheme that opens and closes the doors; effectively downgrading this security from 2.0 to 1.0 version.
Only issue is that the range is terrible!!!!!! I needed to pull into my driveway for it to connect and begin to open the door. With the remote that came with the door I could be 200 feet away. Effectively reducing the range from 200 to 25 feet So, I improvised.
The simple fix is get a piece of 18 gauge wire, about 2 feet long and splice it into the antenna on the repeater (the white wire in the picture). After I did this, the range increased to about 100 feet. Not equlivent to the remote alone but enough to have it open as I pull in.
This repeater solves this problem for all cars simply and effectively. Easy to install and setup. It works well however the range issue is inexcusable. If you can live with the remote rather than the HomeLink buttons the range much better.
Turns out Homelink revised their communications protocol so cars older than 2011 may not be able to connect to the new garage door openers that include homelink since they use the new version of homelink. This 'repeater' is the solution for allowing homelink on older cars to connect and open the garage door.
What does it do: you use the remote garage door opener that comes with this kit to 'train the homelink in your car'. So your car doesn't actually communicate with your garage door. Your car's homelink communicates with the repeater unit in this kit. This repeater unit then communicates with your garage door using the newer revised homelink protocol to tell it to open or close. So it acts as an intermediary between the homelink in your car and your garage door.
Think of it this way: your older car's homelink speaks English but the new garage door opener speaks Latin. Your car's homelink speaks in English to this repeater and the repeater in turns speaks to the garage door in Latin.
Note: it does take a little longer for the garage door to open compared to using a remote that connects directly with newer garage door opener.
With a remote that works with our new garage door opener all I have to do it press the remote once and the door instantly begins to open. With this repeater, I have to hold down the homelink button in my car for about half a second then release the button and the garage door will then begin to open. so there is a delay.
This works well for our church garage. One garage door, multiple parking spaces. If you need to provide access to the garage are several older cars that have homelink built in, this is a cheaper solution than to buy all those older cars additional remote garage door openers. At the cost of just a little more than one remote door opener you can enable several older cars to use the homelink in there car instead of having to buy that additional remote door openers.
*** If its just one car that has the older home link, then skip buying this repeater and go and buy a remote that works with the new garage door opener for this car.