Waveguide Designators (WR)


Frequency Range Waveguide Internal Dimensions (in)
2.6 - 3.95 GHz  WR 284 2.840 x 1.340
 3.3 - 4.9 GHz  WR 229  2.290 x 1.145
 3.95 - 5.85 GHz  WR 187  2.000 x 1.000
 5.85 - 8.2 GHz  WR 137 1.500 x 0.750
 7.05 - 10.0 GHz  WR 112 1.250 x 0.625
 8.2 - 12.4 GHz  WR 90 1.000 x 0.500
 10.0 - 15.0 GHz  WR 75 0.850 x 0.475
 12.4 - 18.0 GHz  WR 62  0.702 x 0.391
18.0 - 26.5 GHz  WR 42  0.500 x 0.250
 26.5 - 40.0 GHz  WR 28 0.360 x 0.220
 40.0 - 60.0 GHz  WR 19  0.268 x 0.174