GL Communications Inc. provides professional telecom engineering and IT consulting services. We provide consulting services to Cellular, Wireless, Microwave, Fiber-Optic, Leased T-1 Network, and Satellite Communications...                     Consulting Services             Design Tools             Case Studies             Testing Services       GL products fall into three broad areas - TDM, Voice over IP, and Wireless. In each of these network technologies, we provide both analysis and emulation test equipment. This means we can both simulate signals and analyze...                     Complete Products Catalog             TDM             VoIP             Wireless