All companies that create a unique implementation of the Link Layer shall have their own CompID.

Link Layer Version Parameter

Parameter Name Assigned Values
VersNr
0-5 Reserved
6 Bluetooth® Core Specification 4.0
​7 ​Bluetooth Core Specification 4.1
​8 ​Bluetooth Core Specification 4.2
9 Bluetooth Core Specification 5.0
10 Bluetooth Core Specification 5.1
11-255 Reserved

Table 1: The LL Version Parameter Values

The CompID parameter codes are used in the LL Version procedure. All companies that create a unique implementation of the Link Layer shall have their own CompID.

Note that the table previously given in this section is now combined with the TCS Company Identifiers table​.