Protek A338 Vector Network Analyzer 4 port version is not only fully inherited from

great features such as fast sweep time, frequency offset, and time domain of

Protek A333/A338 series but specialized in pursuing higher efficiency in the production

lines of passive components and R&D laboratories by adding more ports.

With a great demand on the smartphone production in the fast changing environments,

Protek A338 4port version provides best and affordable solutions for vendors.