"I love this little thing. People's eyes pop out of their heads when I go to the lab to debug an ARINC 429 problem and I pull a full functioning analyzer out of my pocket."

K.S.

"... your RTX device and Vortex software have been a tremendous help"

R.W. AeroControl, Inc.

.." we were really impressed [with the SPA], not only with the price, but also the ease of use."

I.M. Flightwest Australia

"I have purchase the ARINC429 Serial Port Adapter. Your product is easy to work with and is very useful"

M.V. Racomna AB

..[The SPA Monitor] " proved to be very beneficial to us. Thanks for a good product."

S.Y. DFRC NASA

"We recently purchased two RTX units and are very impressed with the results"

D.M. Pi Reasearch Ltd.

"..everything meets our expectations and [it] is easy to use"

B.A.

"This is a really handy tool."

J.V. Ryan International

"The RTX simulator has really been useful for using in our lab"

R.K Mascorp

"Thank you very much. The follow up you have shown me is rare these days and greatly appreciated!"

B.S. Lockheed Martin