2 built in ports microwave network analyzer

{"cid":"91217181","title":"Used Keysight Agilent N5230C PNA-L Microwave Network Analyzer with 6 GHz-50 GHz Frequency and 2 or 4 Built-In Ports in Pre-Owned Condition","imgUrl":"https:\/\/img.chinax.com\/nimg\/58\/03\/be858a626730b1c047306b00c748-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Keysight (Agilent)","Model Number":"N5230C","Minimum Order Quantity":"1 set","Delivery Time":"1~3 Working Days","Place of Origin":"Malaysia","Payment Terms":"T\/T, Western Union, ","Supply Ability":"In Stock","Packaging Details":"Carton","Product Name":"PNA-L Microwave Network Analyzer","Frequency":"6 GHz-50 GHz","Number of Built-In Ports":"2 or 4 ports","Type":"Vector Network Analyzer (VNA),Scalar Network Analyzer (SNA) ( \/082 )","Condition":"Pre-Owned","Functions":"Tested, in Full Working Conditions"}}

{"cid":"91224244","title":"Keysight N5221B PNA Microwave Network Analyzer with 2 Built-in Ports and 900 Hz\/10 MHz to 13.5 GHz Frequency Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/25\/6b0d5fce144a4331b05c5152173d-200x200-1.jpg","attrs":{"Price":"US $10000.00 \/ Set","Brand Name":"Keysight","Model Number":"N5221B","Minimum Order Quantity":"1","Delivery Time":"15","Place of Origin":"Germany","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union"}}