... timeNot affect by 2.4GHz R/C RadiosAV Receiver with Diversity inputsSmall, light weight,four channel,anodized aluminum case ... 4Ch RF are working. LED5, LED6, LED7, LED8 are all on and AV1, AV2, AV3, AV4 are then ready to ... for F2, RX3 for RF3, RX4 for RF4, with different position of the number 1, 2, 3 names ... signal is confirmed. It will automatically switch to the receiver with the strongest signal