I bought a couple T1000Es to see what kind of range and functionality you can get out of these, and maybe even use them as a pet tracker as a side project. Unfortunately, after trying to use them as a client with a friend I found the range was so bad it was completely unusable. I've seen several others here say things along this line, but others claiming theirs get decent range. I live in an area utterly devoid of interference, and I can't go to the next street without these things going out of range. You could genuinely get better range from just about anything, paper cups and string would do the trick.
I even tried getting a heltec v4 expansion kit to see if pairing that with one of the