one button psa spectrum analyzer

{"cid":"91217181","title":"E4447A PSA Spectrum Analyzer 3 Hz To 42.98 GHz Powerful One Button Measurements","imgUrl":"https:\/\/img.ismap.com\/nimg\/24\/23\/f5deb9ad7e70a6a3684c2c23fe46-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"keysight Technologies","Model Number":"E4447A","Minimum Order Quantity":"1","Delivery Time":"1~3 Working Days","Payment Terms":"Western Union, MoneyGram, T\/T","Supply Ability":"In Stock","Packaging Details":"Carton","frequency range":"3Hz - 42.98GHz"}}

{"cid":"91222008","title":"High Accuracy CCD Array Spectrometer Fiber Optic Spectrum Analyzer","imgUrl":"https:\/\/img.ismap.com\/nimg\/db\/77\/33eb7c844ebc9bf54f7c1d115631-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"JINSP","Model Number":"SR100Q CCD Fiber Optic Spectrometer","Minimum Order Quantity":"1","Delivery Time":"50-70working days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"T\/T and Western Union","Supply Ability":"50PCS\/70-90 days","Packaging Details":"Customized Packaging","Spectrometer Type":"SR100Q CCD Fiber Optic Spectrometer","SNR":"Ultra-low dark noise under long integration time, SNR is as high as 1000:1","Dimensions":"180 Mm\u00d7 120 Mm\u00d7 50 Mm","Data output interface":"USB3.0, RS232, RS485, 20pin connector","Key Features":"High Signal-to-noise Ratio","Quantum Efficiency":"92%peak@650nm, 83%@232nm"}}