New Wireless USB MPG Pendant Handwheel Mach3 for CNC Mac.mach 3, 4 Axis Controller Wireless USB MPG Pendant Handwheel Mach3 For CNC Mac.Mach 3, 4 axis Controller.The RF is Standard with 2.4G ISM ,the Tx power is 0DB and the RX sensitivity is -98DB. The RF has 64 channels,the channel gap is 1Mhz. The protocol Designed with high performance; Low power consumption;Automatic learning ID Number. To jump frequency Adaptively when noised ,which can work with 2.4G wireless Mic ,Wlan and Bluetooth etc.