Home / Modules / Vigilant GSA-MDM Vigilant GSA-MDM Digital Message Module; MDMs shown with GSA-UIO2R Motherboard Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: Vigilant FireAlarm.com Part #: 6517 Category: Modules Manufacturer Part #: GSA-MDM Specifications Resources Information Weight .40 lbs Color White Brand Vigilant Production Status Active Related Products... Vigilant GSA-UIO6RUniversal Input-Output Module Board w/ Riser Inputs... Read more Vigilant GSA-UIO6Universal Input-Output Module Board - Six Module... $94.49 Add to cart Vigilant GSA-UIO2RUniversal Input-Output Module Board w/ Riser Inputs... Read more