This site uses cookies to store information on your computer. Some of these cookies are essential to make this site work and others help us to gain insight into how it is being used.
These cookies are set when you submit a form, login or interact with the site by doing something that goes beyond clicking some simple links. We also use some non-essential cookies to anonymously track visitors or enhance your experience of this site. If you're not happy with this, we won't set these cookies but some nice features on the site may be unavailable. To control third party cookies, you can also adjust your browser settings. If you wish to view any policies or terms of usage that you cannot find on this website, please contact us. You can change your mind and opt-out at any time by clicking the ✻ icon above.
I consent to cookies
I don't consent to cookies
Latest Updates:


Southwest's range of Precision Adaptors provided with near metrology grade performance. These Adaptors are produced and tested to the same criteria as adaptors for Calibration kits and provide a cost-effective solution for applications that do not call for phase matching.

Click Here For Precision Adaptor Brochure

Please click on image below for further information on Adaptors

  • Low VSWR
  • Low insertions
  • Low RF leakage
  • High temperature
  • Rugged and durable
  • Excellent repeatability


Eravant (Formerly Sage Millimeter) offer a range of Adaptors.

Click Here For Full Range Of Adaptors Provided

 Eravant has invented Uni-Guide to fulfill the need for a waveguide connector, like the coaxial connector, to create a direct waveguide interface without additional efforts.

Click Here For Further Information On Uni-Guide







Request a Call Back

If you would like us to call you about the , please enter a few details below: