microwave network analyzer for mixers

{"cid":"91217181","title":"Keysight N5247B PNA-X Microwave Network Analyzer 10 MHz to 67 GHz with 2 and 4 Ports Pre-Owned","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/f7\/a11e85d1d17b55cfb565a5b50c04-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Keysight\uff08Agilent)","Model Number":"N5247B","Minimum Order Quantity":"1","Delivery Time":"1~3 Working Days","Payment Terms":"T\/T","Supply Ability":"In Stock","Packaging Details":"Carton","FREQUENCY":"10 MHz to 67 GHz","NUMBER OF BUILT-IN PORTS":"2 and 4 ports, one or two sources","Product name":"PNA-X Microwave Network Analyzer","Condition":"Pre-Owned","Functions":"Tested, in Full Working Conditions","Calibration":"Contact us"}}

{"cid":"91224244","title":"Keysight N5239B PNA-L Microwave Network Analyzer with 8.5 GHz Frequency Range and High Precision","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/f1\/ab00824b1caa0c651c3f64141178-200x200-1.jpg","attrs":{"Price":"US $10000.00 \/ Set","Brand Name":"Keysight","Model Number":"N5239B","Minimum Order Quantity":"1","Delivery Time":"15","Place of Origin":"Germany","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union"}}