practical rohde schwarz emi test receiver

{"cid":"91217181","title":"Rohde And Schwarz ESPI7 EMI Test Receiver 9 KHz To 7 GHz EMI Precompliance Receiver","imgUrl":"https:\/\/img.ismap.com\/nimg\/51\/58\/c221af49da5d58dd06f4cc78ea66-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Rohde & Schwarz","Model Number":"ESPI7","Minimum Order Quantity":"1","Delivery Time":"1~3 Working Days","Certification":"CNAS","Place of Origin":"Germany","Payment Terms":"Western Union, MoneyGram, T\/T","Supply Ability":"In Stock","Packaging Details":"Carton","Frequency range":"9 kHz to 7 GHz","Frequency resolution":"0.01 Hz","Frequency counter resolution":"0.1 Hz to 10 kHz","Display range of frequency axis":"0 Hz, 10 Hz to 7 GHz","Condition":"Pre-Owned","Functions":"Tested, in Full Working Conditions"}}

{"cid":"91223923","title":"7 GHz CISPR Compliant EMI Test Receiver EMC Test Equipment Rohde & Schwarz R&S ESPI7","imgUrl":"https:\/\/img.ismap.com\/nimg\/65\/61\/a8846cc1fc7492690bf9e7fea052-200x200-1.jpg","attrs":{"Brand Name":"Rohde & Schwarz","Model Number":"R&S ESPI-7","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","New \/ Used":"Used","Frequency Range":"9 kHz \u2013 7 GHz","Resolution Bandwidths":"10 Hz \u2013 10 MHz (\u20133 dB) plus CISPR 200 Hz \/ 9 kHz \/ 120 kHz \/ 1 MHz filters","Displayed Average Noise Level":"\u2248 \u2013153 dBm\/Hz (1 Hz RBW, \u2264 1 GHz, with 20 dB pre-amp)","Total Measurement Uncertainty":"\u2264 1 dB (< 3 GHz), \u2264 1.5 dB (3 \u2013 7 GHz)","Detectors \/ Interfaces":"Peak, Quasi-Peak, CISPR AVG & RMS; USB & LAN standard, optional GPIB and 20 dB pre-amp ESPI-B2"}}