In which SIB can we find A2 and B1 threshold in NSA?

Hello Experts, in which SIB can we find A2 and B1 threshold in NSA?

Threshold are part of dedicated message, i.e. RRC Connection Reconfiguration.

5G NR NSA Mode: UE Network and Radio Capability Enquiry

The base station enquires the UE Capability and UE report all information. After knowing the UE capability, the base station can make correct scheduling for the UE. If the UE supports a certain feature or function, the base station shall configure UE for it and if the UE does not support a certain feature, the base station shall not configure the function for the UE.

UE capability is divided into Network capability and Radio capability.

Read More: http://www.techplayon.com/5g-nr-nsa-mode-ue-network-and-radio-capability-enquiry/