Keysight (Agilent/HP) 85046A

For measuring reflection and transmission characteristics for the frequency range from 300 kHz to 3 GHz in conjunction with an HP 8753 network analyzer, directivity 35 dB up to 1.3 GHz and 30 dB up to 3 GHz, impedance 50 ohms, RF connectors in 7 mm and N versions, control via HP 8753 (C), built-in programmable step attenuator. S-PARAMETER-TEST SET 300 kHz - 3 GHz, 50 ohms