Note : Your Quotation Request will be directed to Penn Engineering.
The 1428 from Penn Engineering is a Waveguide to Coax Adapter with Frequency 33.0 to 50.0 GHz. More details for 1428 can be seen below.
1.85mm, 2.4mm and 2.92mm Waveguide to Coax Adapters Operating Up to 65GHz
You can now find similar products from multiple companies on everything RF.