Frequency
Band |
Frequency
Range |
Circular Waveguide
Diameter, Inches (cm) |
| K |
LOW |
18.0-20.5 |
0.455 (1.16) |
| MID |
20-24.5 |
0.396 (1.01) |
| HIGH |
24-26.5 |
0.328 (0.83) |
| Ka |
LOW |
26.5-33 |
0.315 (0.80) |
| MID |
33-38.5 |
0.250 (0.64) |
| HIGH |
38.5-40 |
0.219 (0.56) |
| Q |
LOW |
33-38.5 |
0.250 (0.64) |
| MID |
38.5-43 |
0.219 (0.56) |
| HIGH |
43-50 |
0.188 (0.48) |
| U |
LOW |
40-43 |
0.210 (0.53) |
| MID |
43-50 |
0.188 (0.48) |
| HIGH |
50-60 |
0.165 (0.42) |
| V |
LOW |
50-58 |
0.165 (0.42) |
| MID |
58-68 |
0.141 (0.36) |
| HIGH |
68-75 |
0.125 (0.32) |
| E |
LOW |
60-66 |
0.136 (0.35) |
| MID |
66-78 |
0.125 (0.32) |
| HIGH |
78-90 |
0.094 (0.24) |
| W |
LOW |
75-88 |
0.112 (0.28) |
| HIGH |
88-110 |
0.094 (0.24) |
| F |
LOW |
90-115 |
0.089 (0.23) |
| HIGH |
115-140 |
0.075 (0.19) |
| D |
LOW |
110-140 |
0.073 (0.19) |
| HIGH |
140-160 |
0.059 (0.15) |
| G |
LOW |
140-180 |
0.057 (0.15) |
| HIGH |
180-220 |
0.046 (0.12) |
|
For full waveguide applications, select
the low band (large diameter) circular guide. |
|
