Rokland Coax Cable dB loss calculator

Coax dBi loss calculator

To use this calculator, select your cable type and enter specifications of use, such as 915 MHz if using for Helium. Load SWR and Power In values can be left at default unless you know an adjustment is needed.

Set Parameters as Desired
Line Type:
Line Length:	Feet Meters
Frequency MHz (enter 915 for Helium use):	MHz
Load SWR:	: 1
Power In:	W

Results
Matched Loss:	dB
SWR Loss:	dB
Total Loss:	dB
Power Out:	W

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