We at Pion and Simon Electronics regret to announce that we will be going out of business in 2016. Accordingly, our current stock of boards have been posted for sale at a discount on our website. The sale will continue until our current stock of boards are sold. We will continue to provide tech support by e-mail and on our website until the end of 2016, at which time the website will cease to exist and remaining support will be available only by personal contact. There may be a free site somewhere on which we can post the user guide and schematics for those who need them. If so we will link to it here.

As electronics engineers we started out doing this as a hobby during retirement, to replace a couple controllers that were going bad in our club repeaters. We found that there was enough interest in the boards among the Mastr II community, so we made some production runs and sold them. Now it's time to close the doors, so to speak, and move on to other things. We would like to thank our past and current customers, our beta testers, and all who have helped us make our boards a success. Check out our 2 channel board on the products page.  It's a bargin at it's new reduced price!

73 de Al and Elizabeth.

Additional information