[This post will get out of date quickly. However the respective device pages (under the "Devices" menu) will be updated regularly with the latest specifications and reviews.]
A clutch of new, Iridium based trackers is now starting to ship. Last week we saw DeLorme ship their inReach units, while this week Yellowbrick in the UK will ship their YB3 tracker. The Cyberlink units are expected before the end of the year. We’ll do our best to keep our respective “device pages” up to date with links to the manufacturers’ latest information, as well as to any substantial product reviews and industry comment.
Here is our overview of the different approaches taken by these manufacturers: