The N9038A from Keysight Technologies is a EMI Receiver with Attenuation 70 dB, Dynamic Range 76 dBc, Frequency 3.6, 8.4, 13.6, 26.5, 44 GHz, Mixers to 1.1 THz, Real Time Bandwidth 85 MHz, Resolution 100 Hz to 3 MHz. More details for N9038A can be seen below.