The documents provided on this page are intended solely for the use of VDI's customers.
VDI Terms and Conditions (VDI-958)
All VDI sales are subject to the terms and conditions outlined in this document.
A Brief Overview of the Electromagnetic Spectrum (Download)
This PowerPoint Slide show was presented at a VDI lunch seminar. It was intended for VDI employees, but all visitors are welcome to use it. Enjoy!