YET173 4 channel single chip fixed code rf remote control wireless for motor adjustable control Technology parameter Operating voltage DC3V Operating Current =10mW Transmission speed 50-60KHz Frequency windage ±0.2MHz Transmission distance 100meters (open space) Oscillation resistance Per customer's request 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