News of Note—Telia’s 5G in Helsinki, ExteNet’s new CEO and more

Here are some other stories we're following today:

> European operator Telia claimed to “kick off the 5G era” by launching a precommercial network in Finland’s capital of Helsinki, as it gears up for its official launch next year. Mobile World Live article

> ExteNet Systems announced the appointment of Jim Hyde as CEO, succeeding Ross Manire, who is retiring. Release

> Facebook is suing BlackBerry for patent infringement, escalating the legal battle between the two companies over protected technology. Bloomberg article

> Kajeet announced the launch of its new division, Otarris, to address the increasing need to control a broad array of IoT and other mobile devices for small to large enterprises. Release

> Altair Semiconductor and Ethertronics introduced a new small antenna technology, which will be demonstrated within a new cellular IoT wearable concept at Mobile World Congress Americas. Release