YET001 ev1527 rf wireless remote control transmitter for garage door Technology parameter 1.Operating voltage:DC6v 2.Operating Current:=10mW 5.Transmission speed:50-60KHz 6.Frequency windage: ±0.2MHz 7.Transmission distance:100meters (open space) 8.Oscillation resistance:Per customer's request 9.Chip and operating mode:Hopping code(HC301,300,200 and so on) Fixed code(2262,2260 and so on) Learning code(1527,2240,HT6P20B,HT6P20D and so on) Copy code