... : Frequency 315Mhz/ 433Mhz/ 868Mhz/ others Frequency deviate ±150KHzCopy the chip A.Common code: Learning code (1527, 2240, HT6P20B, HT6P20D etc.) Fixed ... 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 ...