![]() ![]() Note that this may not be the best of ideas especially if the control box is not your property. If there is not one available for your specific brand here is a uTube video of someone breaking into their control box and soldering an extension cable directly to the antenna point. There are extension antennas available for some commercial brands of door openers, (see reply of mattfarley). (Other then replacing the whole system with a higher cost extended range model.) While I doubt you really need to open the garage door for yourself while still 12 floors up I'm guessing you occasionally have the need to open the door for a someone who is waiting outside, (like a guest or a frustrated spouse that miss-placed the extra remote - again).Īs mentioned in a few of these replies an external receiver antenna is likely the only practical (and legal) remedy to getting the increased range you're looking for. Some obvious things to watch for might be fluorescent/LED lights or other electronics near the receiver, but without spectrum analyzer it could be hard to know if there is an interfering signal. Of course to get the most out of it, it shouldn't be mounted so there is a concrete wall or metal roof between the receive antenna and your transmitter. It may be worth noting the make and model of garage door opener and looking for an antenna kit like this one at Sears for Craftsman models Garage Door Opener Extender Kit. I thought this was silly until I googled it. Not much to do here without redesigning the receiver. Even running it a few volts higher, while staying in spec, should produce significant gains in power. ![]() There are basically five parameters that can improve the range of a radio link.Īt risk of destroying the remote, I would try cracking it open, googling the ICs inside and seeing if it can be run at a higher supply voltage. The ad copy says: "It can receive signals thorough walls, trees and over hills." So I certainly would think it would work at 120' for your situation.Īnd of course you can get additional transmitters for your car etc. One pair of transmitter/receivers (HEDDOLF EX220/HEDDOLF ER294-1K) is said to work up to 1500 ft (line of sight). They claim a minimum range of 500' which is four times what you need. The units are coded with 6800 code possibilities. On this page you will find a number of compatible transmitters and receivers with extended range from L. So you would not have to replace all of your current remotes (transmitters). If it is integral to the circuitry controlling the motor of the garage door opener, you can always wire the output of the new receiver across the manual pushbutton normally provided for placing on a wall inside the garage.Īctually that would work out quite well since you would then have two working receivers - one long range, and the original one would still work from your car. I believe the best solution is to completely replace your current transmitter /receiver. ![]()
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