The N5280A is a four channel frequency converter test set. This test set is used with the N5242A 2-Port or 4-Port PNA-X Network Analyzer, and the N5264A Measurement Receiver.
Unity gain
IF port frequency range: - 0.007 to 20 MHz (with jumper, low frequency path output) - 0.007 to 1.5 GHz (without jumper, Max bandwidth)