The Agilent/Keysight Technologies U2021XA USB Peak and Average Power Sensor, 50 MHz to 18 GHz, -30 to +20 dBm, Refurbished has an external trigger that will enable accurate trigger of small signals close to the signal noise floor. With the built-in trigger in/out connection on the U2021XA you can connect an external trigger signal from a signal source or the device under test directly to the USB sensor through a standard BNC to SMB cable.
