Portable Changeable Message Sign (Solar Tech) Natalie Rudrud · November 15, 2022 · Search for: Advanced Search Place Ad Browse Ads Search Ads Portable Changeable Message Sign (Solar Tech) Click to enlarge image. Contact Information Contact Adam Berg Phone: (651) 653-4648 Visit Website Price: $5,300.00 More Information Model: Silent Messenger II Year: 2007 Details: The unit is fully operational, and includes a touchscreen controller. Equipment Location: Lino Lakes, MN This Ad has been viewed 31 times.