National Instruments NI PXI-2546 2.7 GHz 50 Ω Dual 4x1 Mux Multiplexer Untested

National Instruments NI PXI-2546 2.7 GHz 50 Ω Dual 4x1 Mux Multiplexer Relay

New National Instruments NI PXI-8183 Control Board

New National Instruments NI PXI-8185 Embedded Controller

NEW National Instruments NI PXI-8187 Embedded Controller

New National Instruments NI PXI-8221 2-Slot PC Card Carrier

USED National Instruments NI PXI-5621

New National Instruments NI PXI-8422 Interface Module