ET's IMDTabler - Intermodulation Distortion Table Generator

Links:  IMDTools, FreqSetGen.  Sample frequency sets:
IMD 6C: 5658 5695 5760 5800 5880 5917, ET5: 5665 5725 5820 5860 5945
ETBest6: 5645 5685 5760 5805 5905 5945, ET6minus1: 5645 5685 5760 5905 5945
ET5A: 5665 5752 5800 5866 5905, Racebnd4: 5658 5732 5843 5917
Raceband: 5658 5695 5732 5769 5806 5843 5880 5917, Freq in YT video: 5780 5860 5945
Lowband: 5362 5399 5436 5473 5510 5547 5584 5621

Enter frequencies:

(Hover the mouse cursor over table cells for information)

Warning: Minimum separation for entered frequencies is 30MHz

5658 5695 5725 5771 5809 5840 5880 5917
5658 5621 5591 5545 5507 5476 5436 5399
5695 5732 5665 5619 5581 5550 5510 5473
5725 5792 5755 5679 5641 5610 5570 5533
5771 5884 5847 5817 5733 5702 5662 5625
5809 5960 5923 5893 5847 5778 5738 5701
5840 6022 5985 5955 5909 5871 5800 5763
5880 6065 6035 5989 5951 5920 5843
5917 6063 6025 5994 5954

IMD rating (100=best): -324

5732 is 7MHz away from 5725
5665 is 7MHz away from 5658
5792 is 17MHz away from 5809
5755 is 16MHz away from 5771
5679 is 16MHz away from 5695
5641 is 17MHz away from 5658
5884 is 4MHz away from 5880
5847 is 7MHz away from 5840
5817 is 8MHz away from 5809
5733 is 8MHz away from 5725
5702 is 7MHz away from 5695
5662 is 4MHz away from 5658
5625 is 33MHz away from 5658
5923 is 6MHz away from 5917
5893 is 13MHz away from 5880
5847 is 7MHz away from 5840
5778 is 7MHz away from 5771
5738 is 13MHz away from 5725
5701 is 6MHz away from 5695
5909 is 8MHz away from 5917
5871 is 9MHz away from 5880
5800 is 9MHz away from 5809
5763 is 8MHz away from 5771
5951 is 34MHz away from 5917
5920 is 3MHz away from 5917
5843 is 3MHz away from 5840

IMD rating: A "perfect" table will be rated at 100; lower values are worse. For each (valid) cell in the table with a frequency-difference value less than 35, a value of (35-diff)^2 is added to a ratings total (the squaring is to make low-difference values detract more from the IMD rating). The ratings total is then divided by the number of selected frequencies and again by 5, and then subtracted from 100 to get the IMD rating.


                 1       2       3       4       5       6       7       8
Band F: 5740 5760 5780 5800 5820 5840 5860 5880 (IRC NexWave / Fatshark)
Band E: 5705 5685 5665 5645 5885 5905 5925 5945 (Boscam E / DJI)
Band B: 5733 5752 5771 5790 5809 5828 5847 5866 (Boscam B)
Band A: 5865 5845 5825 5805 5785 5765 5745 5725 (Boscam A / TBS / RC305)
Band R: 5658 5695 5732 5769 5806 5843 5880 5917 (Raceband)
Band L: 5362 5399 5436 5473 5510 5547 5584 5621 (Lowband)

IMDTabler Version 1.31


5.8GHz FPV "Visual" Frequency Chart

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