Our broad capability in the design and supply of waveguide hybrid and loop couplers. Smiths Interconnect has an expanding portfolio of couplers designed for a variety of radar and space based applications. These have been supplied as stand-alone products and as assemblies that integrate isolators, transitions etc. Our capability ranges from L to Ka-Band with coupler choice dependent on the application and the system considerations.
| Application | Waveguide | Loop | 2 x 1 Hybrid | 2 x 2 Hybrid |
| S-Band | WR430 | ✓ | ✗ | ✗ |
| C-Band | WR229 | ✓ | ✗ | ✗ |
| Ku-Band | WR75 | ✗ | ✓ | ✓ |
| WR62 | ✗ | ✓ | ✓ | |
| K-Band | WR51 | ✗ | ✓ | ✓ |
| WR42 | ✗ | ✓ | ✓ | |
| Ka-Band | WR34 | ✗ | ✓ | ✓ |
| WR28 | ✗ | ✓ | ✓ |
Smiths Interconnect has supplied a large quantity of couplers over a relatively short period of time in WR34 and WR28. All of the space qualified couplers delicited to date are hybrid couplers and have been provided with or without a termination on one port or as part of more complicated passive assemblies.
By Frequency Band *
| Band | Couplers/Splitters FMs |
| Ku [WR62] | 4 |
| Ku [WR75] | 14 |
| Ka [WR34] | 6 |
| Ka [WR28] | 376 |
| Total | 400 |
