Before revision: In the case of input and output frequencies in the United States, for example: Amateur repeaters in the 144–148 MHz band usually use a 600 kHz (0.6 MHz) separation, in the 420–450 MHz band use a 5 MHz separation, and in the 902–928 MHz band use a 25 MHz separation.
After revision: 1.25-meter band use a 1.6 MHz separation, in theIn the case of input and output frequencies in the United States, for example: Amateur repeaters in the 144–148 MHz band usually use a 600 kHz (0.6 MHz) separation, in the 420–450 MHz band use a 5 MHz separation, and in the 902–928 MHz band use a 25 MHz separation.