[jocala]

My adb devices returns:

List of devices attached
192.168.1.22:5555    device

for the 4KMax stick.

I've never seen:
product:mantis model:AFTMM device:mantis transport_id:1

(do you have other versions of adb.exe installed?)

I found the reference for mantis:

​​​​​​https://developer.amazon.com/docs/fire-tv/device-specifications-fire-tv-streaming-media-player.html?v=ftvstick4k