In order for the remote to be able to open the garage door the signal from the radio transmitter must be strong enough to reach the radio receiver in the garage.
Garage door remote frequency tester.
For easy troubleshooting when things go wrong it is better to buy your remote from the manufacturer of your garage door opener.
Syncing a garage door opener 1.
Or so your garage door doesn t open when the neighbor lets the dog out.
As long as you approach the remote control to the tester no more than 10cm it can test your remote control exactly.
Garage door opener remote operate at the following frequencies 300 mhz 310 mhz 315 mhz 318 mhz or 390 mhz.
Dc 7 5 10 v working current.
250 450 mhz test distance.
See if positions of these dip.
Xhorse remote tester radio frequency infrared reader can help you read out your key frequency fast and accurately support two range frequency.
As if that weren t enough the radio receiver also has to be able to pick out the signal through all the other radio frequency noise in the area.
This is accomplished with a series of tiny switches inside the remote control and on the opener.
300mhz 320hz and 434mhz easy operation.
10 cm 7 5 10 v size.
Press the key the infrared indicator turns on good off bad due to shipping reason package do not including battery customer need put battery by yourself.