The MD1623B signaling tester is for the digital mobile telephone system of Japan (the PDC). The portable phones operation and measurement are functionally tested. It operates as a base station simulator. It register s the arrival and departure of each call and is able to test each sequence of channel change and cutting. It is designed to test both in production as well as development. This single unit comprises the 800MHz band and the 1.5gHz band in 1 unit. It is also able to test high-speed Packet communication.
