Qualcomm Inc.’s Snapdragon X55 modem was announced on Feb. 19. It will be the San Diego chipmaker’s second 5G modem since it announced the X50 in 2016. Separately, Qualcomm unveiled a new platform specifically designed for robotics. Photo courtesy of Qualcomm Inc.

Qualcomm Inc.’s Snapdragon X55 modem was announced on Feb. 19. It will be the San Diego chipmaker’s second 5G modem since it announced the X50 in 2016. Separately, Qualcomm unveiled a new platform specifically designed for robotics. Photo courtesy of Qualcomm Inc.

Amid a flurry of announcements at Mobile World Congress for connected cars, laptops and factories, Qualcomm Inc...

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