Mega produces a comprehensive line of high power, low frequency rigid and flexible WR 42 waveguide (IEC Standard R220, K Band) products and accessories. Our expertise is fabricating to precise tolerances. Our line of WR 42 includes applications for ultra-high vacuum purposes.

WR 42 Specifications
| Frequency Range (GHz) | Frequency Band | Power Rating (Megawatts) | Inside Dimensions | Wall Thickness |
| 18.0 to 26.5 | K Band | 0.066 to 0.094 | 0.420 x 0.170 inches | 0.040 inches |
Below is a list of our product line for WR 42 waveguide:
| Flexible Waveguide Offsets | Browse |
| Flexible Waveguide Straights | Browse |
| Flexible Waveguide Sweeps | Browse |
| Flexible Waveguide Twists | Browse |
| UHV Accessories | Browse |
| UHV Cavity Antenna Coupler Systems | Browse |
| UHV Directional Couplers / Reflectometers | Browse |
| UHV Hybrids | Browse |
| UHV Phase Shifters | Browse |
| UHV Power Dividers | Browse |
| UHV Pump-Out Ports | Browse |
| UHV Straight Waveguide | Browse |
| UHV Vacuum Loads | Browse |
| UHV Vacuum Windows | Browse |
| UHV Variable Attenuators | Browse |
| Accessories | Browse |
| Attenuators | Browse |
| Calibration Kits | Browse |
| Circulators | Browse |
| Couplers | Browse |
| Directional Couplers | Browse |
| Dummy Loads | Browse |
| Flanges | Browse |
| Folded Magic Tees | Browse |
| Gain Horns | Browse |
| Gas Barriers | Browse |
| Harmonic Filters | Browse |
| High Power Loads | Browse |
| Impedance Matchers | Browse |
| Magic Tees | Browse |
| MegaSeals | Browse |
| Miter Bends | Browse |
| Phase Shifters | Browse |
| Rotary Joints | Browse |
| Short Slot Hybrids | Browse |
| Shunt and Series Tees | Browse |
| Straights and Tube | Browse |
| Sweep Bends | Browse |
| Switches | Browse |
| Test Terminations and Short Circuits | Browse |
| Transformers | Browse |
| Transitions to Coaxial | Browse |
| Tuners | Browse |
| Twists | Browse |

