SL.No. Waveguide. Frequency Range
1. WR-284. 2.6 to 3.95 GHz
2. WR-187. 3.95 to5.85 GHz
3. WR- 137. 5.85 to 8.2 GHz
4. WR-112. 7.05 to 10 GHz
5. WR-90. 8.2 to 12.4 GHz