A first base station, BS, for handling a measurement, comprising: at least one storage device ; and at least one processing circuit , coupled to the at least one storage device , wherein the at least one storage device stores, and the at least one processing circuit is configured to execute, instructions of: connecting to a communication device via a cell belonging to the first BS, and configuring a signaling radio bearer, SRB, to the communication device via the cell; receiving at least one user equipment, UE, capability of the communication device; receiving an access restriction configuration for the communication device; configuring the communication device to measure a second radio access technology, RAT, when the at least one UE capability indicates that the communication device supports a dual connectivity, DC, of a first RAT and the second RAT and the access restriction configuration indicates that the communication device is allowed to use the second RAT; and not configuring the communication device to measure the second RAT, when the at least one UE capability indicates that the communication device does not support the DC, or when the access restriction configuration indicates that the communication device is not allowed to use the second RAT. at least one storage device ; and at least one processing circuit , coupled to the at least one storage device , wherein the at least one storage device stores, and the at least one processing circuit is configured to execute, instructions of: connecting to a communication device via a cell belonging to the first BS, and configuring a signaling radio bearer, SRB, to the communication device via the cell; receiving at least one user equipment, UE, capability of the communication device; receiving an access restriction configuration for the communication device; configuring the communication device to measure a second radio access technology, RAT, when the at least one UE capability indicates that the communication device supports a dual connectivity, DC, of a first RAT and the second RAT and the access restriction configuration indicates that the communication device is allowed to use the second RAT; and not configuring the communication device to measure the second RAT, when the at least one UE capability indicates that the communication device does not support the DC, or when the access restriction configuration indicates that the communication device is not allowed to use the second RAT. connecting to a communication device via a cell belonging to the first BS, and configuring a signaling radio bearer, SRB, to the communication device via the cell; receiving at least one user equipment, UE, capability of the communication device; receiving an access restriction configuration for the communication device; configuring the communication device to measure a second radio access technology, RAT, when the at least one UE capability indicates that the communication device supports a dual connectivity, DC, of a first RAT and the second RAT and the access restriction configuration indicates that the communication device is allowed to use the second RAT; and not configuring the communication device to measure the second RAT, when the at least one UE capability indicates that the communication device does not support the DC, or when the access restriction configuration indicates that the communication device is not allowed to use the second RAT. <EOS>