Can or will the N9081A and W9081A support <EM>Bluetooth</EM>® 4.0?

Yes, Bluetooth 4.0 adds the Bluetooth low energy requirements to the Bluetooth core specifications. The N9081A and W9081A support the low energy measurements, including transmit power and modulation characteristics. For details please, refer to the technical overview of N9081A and W9081A.