Waveguide sizes

 

 

 

Frequency / GHz

Size in Inches

Size in mm

WG value

WR Value

3.95 to 5.85

1.872 by 0.872

48.0 by 22.0

WG12

WR187

4.9 to 7.05

1.59 by 0.795

40.0 by 20.0

WG13

WR159

5.85 to 8.2

1.372 by 0.622

35.0 by 16

WG14

WR137

7.05 to 10.0

1.122 by 0.497

29.0 by 13.0

WG15

WR112

8.2 to 12.4

0.9 by 0.4

23.0 by 10.0

WG16

WR90

10.0 to 15.0

0.75 by 0.375

19.0 by 9.5

WG17

WR75

12.4 to 18.0

0.622 by 0.311

16.0 by 7.9

WG18

WR62

15.0 to 22.0

0.510 by 0.255

13.0 by 5.8

WG19

WR51

18.0 to 26.5

0.420 by 0.170

11.0 by 4.3

WG20

WR42

22.0 to 33.0

0.340 by 0.170

8.6 by 4.3

WG21

WR34

26.5 to 40.0

0.280 by 0.140

7.1 by 3.6

WG22

WR28

33.0 to 50.0

0.224 by 0.112

5.7 by 2.9

WG23

WR22

40.0 to 60.0

0.188 by 0.094

4.8 by 2.4

WG24

WR19

50.0 to 75.0

0.148 by 0.074

3.8 by 1.9

WG25

WR15

         

60.0 to 90.0

0.122 by 0.061

3.1 by 1.6

WG26

WR12

         

75.0 to 110.0

0.100 by 0.050

2.4 by 1.3

WG27

WR10

         

110.0 to 170.0

0.065 by 0.0325

1.7 by 0.82

WG29

WR7

         

170.0 to 260.0

0.043 by 0.0215

1.1 by 0.55

WG31

WR4

         

220.0 to 325.0

0.034 by 0.017

0.87 by 0.44

WG32

WR3