Comtran Associates, Inc. offers a wide range of products and services which include Hi-Rise In-Building Radio Communications, Hi-Rise Fire Alarm Radio Systems, Lan/Wan Intersite Radio Systems, Distributed Antenna Systems, Radiating Antenna Systems, Single Antenna Systems, Security & Building Operations Radio Systems, In-Building Paging Systems, Executive Dining Paging Systems, Antenna sites, On-Site System Management, On-Site Training and Support, Maintenance Contracts, Service Contracts and FCC Licensing Assistance.