https://www.suindigital.com/frequency-characteristic-analyzer/560.html
SA1200 Series
Frequency Characteristic Analyzer
Features
* Maximum frequency sweep range: 20Hz~200MHz
* Built-in detector, dispensing with detection radiometer
* Measure amplitude-frequency, phase-frequency,
frequency discrimination and S parameters
* Available to set sweep mode arbitrarily, such as linear,
logarithmic
* Six cursors could be displayed at same time within
the sweep range
* 7″TFT color LCD with clear graph interface and
convenient operation
* USB_device and RS232 interface
