Communications Systems, Inc., through its subsidiaries, manufactures and sells connectivity infrastructure products for broadband and voice communications in North America, Europe, the Middle East, Africa, and internationally. The company’s Transition Networks segment designs, assembles, and markets media converters, NIDs, network interface cards, Ethernet switches, small form factor pluggable modules, and other connectivity products under the Transition Networks brand name. This segment sells its products through distributors, resellers, integrators, and original equipment manufacturers (OEMs) to the federal government, enterprise, service provider, industrial, security, and surveillance markets.