Yaesu Musen Co. Ltd. 03770X30 Benutzerhandbuch

The FT-818 BAND DATA Format (available on the ACC jack) is presented below. The 

BAND DATA line provides a stepped voltage, which denotes the current operating band. 

This data may be interpreted by an external device (such as an antenna switch or amplifi-

er)to provide automatic band switching.

1.8 MHz

0.33 V

10 MHz

1.33 V

21 MHz

2.33 V

50 MHz

3.33 V

3.5 MHz

0.67 V

14 MHz

1.67 V

24.5 MHz

2.67 V

144 MHz

3.67 V

7 MHz

1.00 V

18 MHz

2.00 V

28 MHz

3.00 V

430 MHz

4.00 V

Use shielded cable for interconnections to external devices, so as to prevent RF interfer-

ence.