ADDvantage Technologies Group, Inc., through its subsidiaries, distributes and services a range of electronics and hardware for the telecommunications industries. The Company operates through Telecommunications (Telco) segment. The Company's Telco segment offers its customers a range of used telecommunication equipment across various manufacturers consisting of component parts to expand capacity, provides spares or replaces non-working components. The Telco segment's switching equipment products originate, terminate and route voice traffic. Its central office equipment includes optical, switching and data equipment on a customer's communication network. Its data equipment products transport Internet and voice over Internet protocol (VOIP) traffic through routers. The Company also offers customers decommissioning services for surplus and obsolete equipment, which it then processes through its recycling program.