430 and 433 remote key chips are available in 2 types
The frequency of the gate remote control is 433 and 430 are the same.
430 and 433 can be copied, first need to clear the code, need to clear the memory data of the two first, and then start copying, you need to press the two buttons on the remote control at the same time, the indicator light keeps flashing, and then release your hand, that is, the removal is successful, and then you can copy. 433 refers to the remote control wireless transmission carrier frequency is 433MHz