SOHO Instruments NI PXI-2556 2.5 GHz Dual 4x1 RF Multiplexer, 75 Ω, High Isolation, Low VSWR, Ideal for Video RF Testing

SOHO Instruments PXI-2590 4x1 RF Multiplexer Switch Module, 1.3 GHz, Ideal for High-Precision Video & RF Signal Switching