pna x network analyzer vna

{"cid":"91223923","title":"8.5 GHz High Dynamic Range PNA-L Network Analyzer VNA Agilent Keysight N5239B","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/28\/4849bb4be467708292ab1a99ff43-200x200-1.jpg","attrs":{"Brand Name":"Keysight\/Agilent\/HP","Model Number":"Keysight N5239B","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 8.5 GHz","Dynamic Range":"133 dB (typ.) @ 2 \u2013 6 GHz, 10 Hz IFBW","Trace Noise":"0.006 dB rms @ 600 kHz IFBW (display off)","201-Point Full-Span Sweep Time":"24 ms (600 kHz IFBW, uncorrected)","Test Ports":"2-port, 50 \u03a9, 3.5 mm (male)"}}

{"cid":"91217181","title":"Keysight N5225B PNA Microwave Network Analyzer 900 Hz to 50 GHz","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/c6\/463f061c60835754348da147aace-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Keysight","Model Number":"N5225B","Minimum Order Quantity":"1 set","Delivery Time":"1~3 Working Days","Certification":"ISO17025","Place of Origin":"U.S.A","Payment Terms":"T\/T\uff0cWestern Union","Supply Ability":"In Stock","Packaging Details":"Carton","Brand":"Keysight","Module Name":"N5225B","RF Connectors type":"2.4 mm (male), 50 ohm, (nominal)","USB 2.0 Ports - Primary (4 ports)":"Compatible with USB 2.0","Size":"31 cm (12.1 in) diagonal color active matrix LCD; 1280 (horizontal) X 800 (vertical) resolution","Display Range":"\u00b12500 dB (at 500 dB\/div), max","Display Resolution":"0.001 dB\/div, min","Marker Resolution":"0.001 dB, min"}}