The mobile communication device maker has raised funding in a series A round featuring Bloomberg Beta and the Verizon-run BBG Ventures.

US-based mobile communication device developer GoTenna secured $7.5m in series A funding yesterday from backers including subsidiaries of telecommunications company Verizon and media group Bloomberg.

Bloomberg Beta and the Verizon-owned BBG Ventures were joined by Walden Venture Capital, which led the round, MentorTech Ventures, Wareness.io and angel investors Kenneth Horowitz and Howard Finkelstein.

GoTenna has created a device that enables smartphones to communicate with each other without the use of cell towers, wifi routers or satellites, and is aiming it…