RanLOS AB is a Sweden-based technology company that develops, manufactures, and markets over-the-air (OTA) antenna and wireless testing systems for the automotive and telecommunications sectors. Founded in 2016 as a spin-off from Chalmers University of Technology and headquartered in Gothenburg, Sweden, the company provides hardware and software measurement solutions designed to evaluate wireless connectivity, electromagnetic compatibility, and antenna performance in connected vehicles, IoT devices, and communication base stations. The company's core product and service portfolio includes proprietary RanLOS OTA test systems for full-vehicle and component-level testing; multi-probe antenna measurement arrays supporting 4G, 5G NR (FR1 and FR2), Wi-Fi, Bluetooth, V2X (Vehicle-to-Everything), and GNSS frequencies; turnkey retrofitting solutions that convert existing electromagnetic compatibility (EMC) and semi-anechoic chambers into full OTA test environments; measurement and analysis software suites for throughput, radiation pattern, spherical coverage, and multi-input multi-output (MIMO) channel characterization; and associated calibration, maintenance, system integration, and technical consulting services. RanLOS AB serves automotive original equipment manufacturers (OEMs), Tier-1 automotive suppliers, telecommunications equipment providers, and independent testing laboratories across Europe, North America, and Asia. In recent operational developments, RanLOS AB has expanded its international commercial footprint through global distribution partnerships, including commercial alliances and distributor agreements to accelerate market penetration across North America and the Asia-Pacific region; expanded its product line with the introduction of upgraded millimeter-wave (mmWave) measurement capabilities and software enhancements for next-generation 5G and satellite communication standards; completed equity financing rounds and rights issues on the Nordic SME exchange to fund international sales expansion and ongoing research and development; and secured commercial test system deliveries to major automotive and wireless testing facilities.