Customer FAQs Discover answers to the most frequently asked questions from ADT customers with the click of a button. 1. How do I order yard signs and decals? You can order new ADT Security Services yard signs or window decals at MyADT.com under My Account > Order Equipment. Customers are limited to two yard signs and two decal sets per year for each location monitored by ADT. The yard signs and decals will arrive in approximately 7-10 business days.