... stabilizing frequency.High stability and durable.Technical Parameter Frequency 315Mhz/ 433Mhz/ 868Mhz/ customizedFrequency deviate ±150KHzChip Learning code (1527, 2240, HT6P20B, ... all kinds of openers, gate barrier ,access control system, industrial control, car remote control, car alarm system, remote control switches , intelligent control, communication and security fields etc.Our Service1 ...