COM DEV International Ltd. (COM DEV) is a designer, manufacturer and distributor of space communications and space science products and systems. It operates in two segments: the Space segment and the Data Services segment. The Space segment is a global designer and manufacturer of space hardware subsystems. The Data Services segment is actively commercializing a new maritime tracking service known as Satellite Automatic Identification System, (S-AIS). It designs and manufactures advanced instruments and microwave products for space satellites such as multiplexers, filters, switches, surface acoustic wave (SAW) devices, signal processors, satellite payloads, and micro-satellite spacecraft. The products are sold to substantially all of the satellite prime contractors and many government space agencies for use in commercial communications, military/defense communications and space science satellites. It sells information from its own satellites through its subsidiary, exactEarth.