https://www.marvintest.com/PXI/Products/PXI-Switching-RF-Multiplexer-Scanner-Card-GX6021.aspx
PXI Switching, RF Multiplexer / Scanner Card - GX6021 | Marvin Test Solutions, Inc.
GX6021, 20 Channel RF Multiplexer/Scanner PXI
rf multiplexertest solutionspxiswitchingscanner