XHORSE VVDI BE Key Pro For Benz XNBZ01CH Remote Key Chip Improved Version default frequency is 315MHZ,it supported to change frequency to 433mhz. Here we will introduce two ways to change Xhorse Benz Key PCB frequency. 1.Remove PCB FRE resistor change to … Continue reading How to Change Xhorse VVDI BE Key Pro Benz PCB Frequency?