Keysight Technologies (formerly Agilent) N1913A9kHz-110GHz EPM series Power Meter
EPM series power meter, single channel;
Meter includes KT-11730A standard;
Operates with all 848X, 848XD,E441X, E930X, N848X
series power sensors.
U200X power sensors with USB option 103 or 105, 106.
Bandwidth and sensitivity is sensor dependent.
Backward compatible to 436A, and 437B with option 200.
See also KT-E4416A or KT-E4418B or KT-N1914A.