Tech giants Apple and Samsung have been sued in the US over harmful radio frequency (RF) exposure their smartphones may be emitting. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-3…","video_id":"326b6659-f8ec-4c7b-9e93-80a0e11adda5","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"World’s 10 Most Valuable Football Teams 2019"} The class-action suit, filed in the US District Court for the Northern District of California, claims RF radiation emitted from Apple and Samsung smartphones "exceed legal limits set forth by the Federal Communications Commission (FCC)", Apple Insider reported on Saturday. The ...