Submit an RFQ

Submit an RFQ

Click to use our easy process for requesting a quote on a product or service.


QuinStar waveguides and related products cover the frequency range of 18 – 220 GHz in 10 frequency bands.  Our extensive product line includes straight sections, bends, twists, and custom work. Additionally, we make adapters, terminations, couplers, dividers, and filters. These products comply with RoHS. Additionally, we can meet MIL-DTL-85/3 if required. In sum, QuinStar offers one-stop shopping to meet all your requirements for waveguide components and accessories.

Stock and Custom

While QuinStar stocks many of the products in this line, our customers often have specific requirements to fulfill. With on-site manufacturing, QuinStar supports cost-efficient, fast turnaround. To that end, read more about our custom capabilities, click here.

Our products are ISO9001:2015 & AS9100 certified for quality design and manufacturing. View our certificates here.

Termination, Loads & Shorts

Dividers / Combiners & Tees

multi output power divider


Waveguide Adapters & Transitions

bulkhead waveguide adapter

Waveguide To Coax Adapters

Hardware & Misc.

captivated waveguide flange screw