What is the difference between the Profile Tuning Suite (PTS) Dongles?

As of 22-Dec 2020, PTS v8.0.0 supports 2 dongle types (BR/EDR/LE and LE Only).

Both dongles will continue to be available and supported for the foreseeable future.

BR/EDR/LE - up to v4.2 supported	NEW LE Only - up to v5.2 supported (Laird Connectivity, part number 451-00004)

This PTS dongle supports LE/BR/EDR test cases up to v4.2 only	This PTS dongle supports only LE test cases, but up to v5.2
Supports the majority of PTS test cases except for the ones that require Bluetooth Core Spec 5.0 or newer features such as Extended Advertising or Isochronous Channels	Only supported by PTS Version 8.0.0 and higher Cannot be used for testing BR/EDR test cases
Purchase BR/EDR/LE dongle here.	LE Only dongle can be purchased from authorized distributors. Arrow Electronics Digi-Key Electronics Note: These are just two possible distributors, the dongle can be purchased from other authorized distributors.