Anritsu's Protocol Test System enables Layer 3 and Layer 2 Test Procedures to be run for verification and subsequent validation of the UE's signaling protocol stack. Anritsu's W-CDMA (UMTS) Rapid Test Designer (RTD) Software System combined with our test systems, allow for the rapid development and deployment of W-CDMA user equipment and mobile terminals. These products do not require an in depth understanding of the layer 2 and layer 3 protocol stacks for sucessful testing.