That device turned out (way down at the bottom of the thread where it's easy to miss) to be a non-law-enforcement model used by e.g. cellphone stores to transfer data between unlocked phones.

> The device bought in the thrift store appears to be a device to copy data from phones already unlocked and open, in other words, not the most interesting device they have, and it's from 2014.

It is not law enforcement grade, just simple copier Cellebrite made for mobile phone stores to copy data from old phone to new one.