... .8G Four Channel Diversity Receiver (D58-4)D58-4 5.8G Four Channel Receiver Features of D58-4 5.8G Four Channel Diversity Receiver:Four channel Receiver for best receptionFour ... power button, LED1,LED2,LED3,LED4 are on means the 4Ch RF are working. LED5, LED6, LED7, LED8 are all on ...