3 ghz usb real time spectrum analyzer

{"cid":"91223923","title":"Tektronix RSA603A 3 GHz Usb Real Time Spectrum Analyzer 40 MHz Resolution Bandwidth","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/01\/fe\/a8be18259630e9efe5a1f19c3488-200x200-1.jpg","attrs":{"Brand Name":"Tektronix","Model Number":"RSA603A","Minimum Order Quantity":"1","Delivery Time":"3-5 days","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,Western Union,T\/T,MoneyGram","New \/ Used":"Used","Frequency Range":"9 kHz \u2013 3 GHz","Resolution Bandwidth":"40 MHz (internal)","100 % POI Signal Duration":"\u2265 100 \u00b5s within 40 MHz span","DANL (Preamp On)":"\u2248 \u2013160 dBm\/Hz with pre-amp (typ.)","Amplitude Accuracy":"\u00b10.2 dB up to 3 GHz (95 % confidence)"}}

{"cid":"91217181","title":"Tektronix RSA306B USB Real Time Spectrum Analyzer 9 kHz to 6.2 GHz RSA306B USB portable Real Time Spectrum Analyzer","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1a\/19\/75a859dde8ffd62b99c742b36bb7-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Tektronix","Model Number":"RSA306B","Minimum Order Quantity":"1 set","Delivery Time":"1~3 Working Days","Certification":"ISO17025","Place of Origin":"U.S.A","Payment Terms":"T\/T\uff0cWestern Union","Supply Ability":"In Stock","Packaging Details":"Carton"}}