Download the latest drivers for your Multitech Modems to keep your Computer up-to-date. Multitech, MultiTech Systems MTZBAV-V92 · Download. The MultiModemZBA corporate user modems provide high-speed data transfer and Multi-Tech Systems, Inc. (World Headquarters). Tel: MTZBAV. Here is a step by step manual guide for MultiTech MTZBAV-V92 MTZBAV-V92 device in the list and press double click on the modem device.