This is a suction cup clip to attach the Sirit IDentity FleX Transponder to the user's windshield. A common application for this kind of RF transponder was for automatic gate openers for gated communities. It was designed by Nobis Technologies, Inc. to fill a niche market, and is now released into public domain to be free to use. Enjoy!

Toll Transponder Geometry: Sirit IDentity FleX Transponder
Suction Cups: Adam's Manufacturing (http://suctioncups.com) model #: (#7500-00)