Shea Ivey created this receiver for FPV (First Person View) Drone Racing:

DIY project to create your own 5.8ghz FPV diversity basestation – based off the rx5808 receiver module.

Project includes basic Arduino Nano implementation to advanced custom PCB board and introduction to digital switches 4066 chip.

sheaivey has shared the board on OSH Park:

rx5808-pro-diversity-monitor