These Projects work similarly to the Standard TX or RX with theexception that the packet configuration can be customized aswell. The Custom Packet RX example Project is a good startingpoint to understand/configure and use the FIELDs feature of theradio. This example Project also supports receiving packet withvariable length. It is the user’s responsibility to set the samepacket configuration for both projects, otherwise they cannotwork together. The LEDs help to identify the different packetreceive states of the receiver. LED1 is turned on while in receivemode. Upon packet reception: