Recently a great deal of mini RF wireless universal remote controllers is released. They are designed with keychain, convenient to take with you anywhere. Here I will take 4 Buttons 315MHz RF Wireless Remote Controller Keychain STH-23301 as an example to tell you how to use these kinds of RF remote controllers, since most are applied in the similar way.
This remote controller has a high speed recording. It covers application ranging from simple domestic remote control to autonomous control. Cheap with just about $3.99 and extremely easy to set up. With the press of a button, the device can turn on, turn off, adjust its own volume and perform any number of device-specific tasks. Besides, it is designed to control a wide variety of electronic devices with a wireless signal for garage doors, electric gate, automatic barrier remote control, burglar alarm field and etc.
- Working voltage: DC 12V
- Operating current: 16mA
- Operating frequency: 315MHz
- Encode type: Learning code
- Encode mode: EV1527
- Transmitting distance: 180 meter
- Net weight: 29.5g
- Color: as shown in the picture
- Size: 52 x 28 x 12mm
Display of Button Function
Please press lock key and unlock key at the same time, after 2s LED light flashing 3 times, then flashing fast while still keep pressing the two keys, it indicates clearing successfully.
Note: if the LED didn’t flash, please checked the batteries installation; if the batteries are installed in the right way, please return to the manufacturers for maintenance.
With left hand handling the original remote control, right hand handling the duplicating remote control, keeping the two as close as possible, at the same time pressing the lock button of the two controllers, after 3s LED light flashing 3 times, then flashing fast, it shows that the original control of the lock key code has been copied into the duplicating remote control. The other three buttons are operated in the same way for duplication.
If you clear any codes of duplicating remote controller incautiously, you can press start key and mute key simultaneously, after 3s LED light flashing 3 times, and then flashing fast it shows the code of duplicating remote control is resumed.
Some tips for clearing and duplicating:
In the process of duplicating, when one of the key codes couldn’t be successfully duplicated while others function normally, you can try this way: first conduct clearing operation, duplicate the key code again for the one fail to be duplicated just now, conduct clearing operation again and then resume the key code of this button.
1) It is necessary to clear its present codes of duplicating remote controller before conducting duplicating operation.
How to test whether its present codes have been cleared successfully:
After clearing operation, press one of the four button, if LED light flash after about 2 seconds, it indicate key codes are cleared successfully; if LED light flash immediately when you press any button, it indicated there still exist key code; please repeated clear operation.
2) This kind of RF remote control can only duplicate fixed code instead of scroll code.
More RF wireless remote controllers for your option: