 AUSTIN, Texas, Aug. 16, 2021 PRNewswire -- Sonim Technologies, Inc. Nasdaq: SONM, a leading U.S. provider of ultra-rugged mobile devices, accessories and solutions designed specifically for task workers physically engaged in their work environments, reported financial results for the second quarter ended June 30, 2021. Second Quarter 2021 and Recent Highlights Net revenues of 12.0 million, compared with 12.2 million in the first quarter 2021. 