Anritsu Co. introduces a Vector Voltmeter Mode (VVM) for its Microwave Site Master™ S820E - the world's only handheld cable and antenna analyzer offering coverage up to 40 GHz – that allows the S820E to be used as a drop-in replacement for legacy Vector Voltmeter instruments. With the ability to provide full A/B and B/A ratio capability without additional and expensive VNA options, the S820E with the VVM provides field engineers and technicians with a compact, durable, cost-efficient single-instrument solution to make key field measurements to ensure the proper deployment, installation, and maintenance of wireless networks.