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04/17/19: New Product Release- WR3.4 VNAX Modules with
+1 dBm Test Port Power

VDI continues to offer state-of-the-art, industry leading VNA Frequency Extension Modules. VDI has made improvements to the
WR3.4 (220-330 GHz) modules. The test port power specification has been increased from -6 dBm typical to +1 dBm typical.
More detailed information may be found here