Here's the contact information for S&M. I know several folks that have had there radios done by S&M, they have all been pleased.
Contact Information
Telephone: Hours: 9AM to 6PM Central Time M-F
Toll Free (877) 780 - 2861
Direct (763) 780 - 2861
Postal address:
S&M Electro-Tech, Inc
8836 Xylite St. NE
Blaine, MN 55449-5007