[abisel]

What with ADS-B requirement approaching, maybe this article from AOPA would help.

kinda old, but...
https://www.aopa.org/news-and-media/all-news/2017/october/pilot/adsb-changing-flight-id

Bendix King:
https://www.bendixking.com/en/pages/get-ads-b-2020-compliant

Garmin:
https://ads-b.garmin.com/en-US/

L3:
https://www.l-3lynx.com/