What are the possible values for dmrs typeA position information element part of MIB in NR?

5G NR
1

Hi Experts.

What are the possible values for dmrs typeA- position information element part of MIB in NR?
And what is it significance?
Can we have value 1 or only 2, 3 allowed it’s part of MIB?

Anyone having idea ?

2

Only pos2 or pos3