| Waveguide dimensions, sizes and cut off frequencies |
Waveguide dimensions, sizes and cut off frequencies
- RF waveguide dimensions, waveguide sizes, cut off frequencies and other
waveguide data and parameters for WG00 to WG32.
RF waveguides used for the transmission of radio frequency
energy come in a variety of sizes. Waveguide sizes and waveguide dimensions
determine the properties of the Rf waveguide, including parameters such as the
waveguide cut off frequency and so forth. Accordingly waveguides come in a
variety of standard sizes.
The figures given below are for rigid rectangular waveguides,
as these are the most common form of waveguide used.
Waveguide dimensions, sizes and waveguide cut-off
frequencies
for rigid rectangular RF waveguides
| WG Design |
Freq range* |
Waveguide cut off * |
Theoretical attn dB
/ 30m |
Material |
Band |
Waveguide dimensions
(mm) |
| WG00 |
0.32 - 0.49
|
0.256
|
0.051 - 0.031
|
Alum
|
B |
584 x 292
|
| WG0 |
0.35 - 0.53
|
0.281
|
0.054 - 0.034
|
Alum
|
B,C |
533 x 267
|
| WG1 |
0.41 - 0.625
|
0.328
|
0.056 - 0.038
|
Alum
|
B,C |
457 x 229
|
| WG2 |
0.49 - 0.75
|
0.393
|
0.069 - 0.050
|
Alum
|
C |
381 x 191
|
| WG3 |
0.64 - 0.96
|
0.513
|
0.128 - 0.075
|
Alum
|
C |
292 x 146
|
| WG4 |
0.75 - 1.12
|
0.605
|
0.137 - 0.095
|
Alum
|
C,D |
248 x 124
|
| WG5 |
0.96 - 1.45
|
0.766
|
0.201 - 0.136
|
Alum
|
D |
196 x 98
|
| WG6 |
1.12 - 1.70
|
0.908
|
0.317 - 0.212
|
Brass
|
D |
165 x 83
|
| WG6 |
1.12 - 1.70
|
0.908
|
0.269 - 0.178
|
Alum
|
D |
165 x 83
|
| WG7 |
1.45 - 2.20
|
1.157
|
|
|
D,E |
131 x 65
|
| WG8 |
1.70 - 2.60
|
1.372
|
0.588 - 0.385
|
Brass
|
E |
109 x 55
|
| WG8 |
1.70 - 2.60
|
1.372
|
0.501 - 0.330
|
Alum
|
E |
109 x 55
|
| WG9A |
2.20 - 3.30
|
1.736
|
0.877 - 0.572
|
Brass
|
E,F |
86 x 43
|
| WG9A |
2.20 - 3.30
|
1.736
|
0.751 - 0.492
|
Alum
|
E,F |
86 x 43
|
| WG10 |
2.60 - 3.95
|
2.078
|
1.102 - 0.752
|
Brass
|
E,F |
72 x 34
|
| WG10 |
2.60 - 3.95
|
2.078
|
0.940 - 0.641
|
Alum
|
E,F |
72 x 34
|
| WG11A |
3.30 - 4.90
|
2.577
|
|
|
F,G |
59 x 29
|
| WG12 |
3.95 x 5.85
|
3.152
|
2.08 - 1.44
|
Brass
|
F,G |
48 x 22
|
| WG12 |
3.95 x 5.85
|
3.152
|
1.77 - 1.12
|
Alum
|
F,G |
48 x 22
|
| WG13 |
4.90 - 7.05
|
3.711
|
|
|
G,H |
40 x 20
|
| WG14 |
5.85 - 8.20
|
4.301
|
2.87 - 2.30
|
Brass
|
H |
35 x 16
|
| WG14 |
5.85 - 8.20
|
4.301
|
2.45 - 1.94
|
Alum
|
H |
35 x 16
|
| WG15 |
7.05 - 10.0
|
5.26
|
4.12 - 3.21
|
Brass
|
I |
29 x 13
|
| WG15 |
7.05 - 10.0
|
5.26
|
3.50 - 2.74
|
Alum
|
I |
29 x 13
|
* waveguide cut off frequency in GHz and for TE10 mode
Alum = Aluminium
|
