You'll often see walkie-talkies at construction sites, but what if you need more - like the full power and flexibility that Android has to offer? You might reach for an IP68 phone but most won't cut it. No, you need something like these Cat phones if you want to go home at the end of the day and still have a working phone. Meet the Cat S41 and S31. They are follow-ups to the S40 and S30 and belong to the mid-range and entry level respectively. They have some things in common, like Android 7.1.2 Nougat, LTE connectivity and protection against the elements and gravity. The S41 is covered...
Source: http://www.gsmarena.com/cat_s41_and_cat_s31_handson_review-news-27054.php
