20 ghz rohde and schwarz vector network analyzer

{"cid":"91217181","title":"Rohde and Schwarz ZVA40 Network Analyzer Multipurpose Benchtop Used Test Equipment","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1f\/39\/609f92bdedc353f90c0ce6deac7d-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Rohde and Schwarz","Model Number":"ZVA40","Minimum Order Quantity":"1 set","Delivery Time":"1~3 Working Days","Place of Origin":"Germany","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"in stock","Packaging Details":"Carton","Product name":"Vector Network Analyzer","Frequency":"300 KHz - 40 GHz","Type":"Vector Network Analyzer (VNA)","Form Factor":"Benchtop","Condition":"Pre-Owned","Functions":"Tested, in Full Working Conditions"}}

{"cid":"91223923","title":"Rohde & Schwarz ZNB40 VNA 40 GHz High Dynamic Range Vector Network Analyzer","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/5c\/25\/8422f85ff41511330a388791be6a-200x200-1.jpg","attrs":{"Brand Name":"Rohde & Schwarz","Model Number":"R&S ZNB40","Minimum Order Quantity":"1","Delivery Time":"3-5 days","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram,MoneyGram,Western Union,T\/T","New \/ Used":"Used","Frequency Range":"9 kHz \u2013 40 GHz","Dynamic Range":"up to 140 dB (10 Hz IF BW)","Sweep Time":"4 ms for 401-point sweep","Trace Noise":"< 0.004 dB RMS @ 10 kHz IF BW","Port Configuration":"2- or 4-port models with dual sources on 4-port version"}}