2 ports zvb4 vna network analyzer

{"cid":"91217181","title":"Rohde And Schwarz ZVB4 VNA Network Analyzer Multipurpose Benchtop 2 ports","imgUrl":"https:\/\/img.chinax.com\/nimg\/6f\/e0\/8e21ada281482b4d069c1d1b3140-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Rohde and Schwarz","Model Number":"ZVB4","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":"300kHz - 4GHz","Type":"Vector Network Analyzer (VNA)","Form Factor":"Benchtop","Condition":"Pre-Owned","Functions":"Tested in Full Working Conditions"}}

{"cid":"91223923","title":"Agilent Keysight Vna Network Analyzer N5232A 20 GHz 133 DB Dynamic Range PNA-L Network Analyzer","imgUrl":"https:\/\/img.chinax.com\/nimg\/87\/7e\/1cd01b48517e2b2194b1289b0852-200x200-1.jpg","attrs":{"Brand Name":"Keysight\/Agilent\/HP","Model Number":"Keysight N5232A","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":"300 kHz \u2013 20 GHz","Dynamic Range":"up to 133 dB @ 10 Hz IFBW (500 MHz\u20132 GHz)","Trace Noise":"\u2264 0.002 dB rms @ 1 kHz IFBW (typ.)","Full-Span Sweep Time":"34 ms (201 pts, 600 kHz IFBW, uncorrected)","Test Ports \/ Config":"2-port base (Opt 200) upgradeable to 4-port (Opt 400)"}}