vector pna x microwave network analyzer

{"cid":"91217181","title":"Vector PNA X Microwave Network Analyzer , 10MHz-50GHz Keysight Agilent N5245B","imgUrl":"https:\/\/img.chinax.com\/nimg\/02\/b5\/c0741f196320b38512fbff565109-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Keysight (Agilent)","Model Number":"N5245B","Minimum Order Quantity":"1 set","Place of Origin":"Malaysia","Payment Terms":"T\/T","Supply Ability":"in stock","Product Name":"PNA-X Microwave Network Analyzer","Frequency":"900 Hz\/10 MHz to 50 GHz","Number of Built-In Ports":"2 or 4 ports","Type":"Vector Network Analyzer","Condition":"Pre-Owned","Functions":"Tested, in Full Working Conditions"}}

{"cid":"91223923","title":"Agilent E8358A PNA Network Analyzer Vector Network Analyzer VNA 9 GHz 128 dB Dynamic-Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/cf\/d8\/de424dfe65b57375287a3a73b441-200x200-1.jpg","attrs":{"Brand Name":"Keysight\/Agilent\/HP","Model Number":"Agilent E8358A","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 9 GHz","Dynamic Range":"128 dB @ 10 Hz IFBW (test port)","Trace Noise":"< 0.004 dB rms @ 35 kHz IFBW","Sweep Speed":"35 \u00b5s\/point (1601 pts)","Size":"610 \u00d7 508 \u00d7 406 mm, \u2248 22.7 kg ne"}}