RF Cafe Custom T-Shirts, Coffee Cups, Hats, Mouse Pads...

RF Cafe has ended the dearth of T-shirts, sweatshirts, coffee mugs, and other items that sport engineering themes. Our newest design sports the thesis, "RF Engineers...We Are the World's Match Makers," with colorful, instructional Smith Chart™ designs and VSWR-Return Loss-Reflection Coefficient conversion formulas.

Extremely Low Prices

I really want these items to be "out there," so the new prices are set at cost +$2.    Click Here

Cafe Press Items with "We Are the World's Matchmakers" design - RF cafe


RF Cafe Custom Designs

These custom designs appear on my products. If there is a particular item offered by CaféPress™ that you would like us to add one of these designs to, please send an e-mail and let us know.

RF Engineers - We are the World's Match  Makers™

RF Engineers - We are the World's Match Makers™

This custom design by RF Cafe is a montage of Smith Charts with forbidden regions and their associated L-C networks, along with conversions between return loss, reflection coefficient, and VSWR.


Engineer's Troubleshooting Flow Chart

Engineer's Troubleshooting Flow Chart

CafePress Items - RF Cafe

Experts say that good humor has to have a bit of truth in it.