Question, comment, or suggestion? Contact hours 8 A.M. until 6 P.M. Pacific Time. Feel free to contact us before or after a purchase. Business Address and Contact Information: Richard Communications 8262 University Avenue La Mesa, CA 91941 Phone: 619-922-4740 Phone: 619-741-7945 Fax: 619-741-7946 Pager: 858-616-3805 Email: richard@radiosrc.com