We need E4440A with option 110 115 219 226 ,If you have the second hand and good condition on hand ,pls let me know ASAP.We are second RF tester suppliers, we sale, rental, buy, repair, calibration, update all brands like Agilent/ tektronix/ advantest /HP/R&S rohde-schwarz. etc... Network analyzer, spectrum analyzer, communication test set, power metger, power supply, radio communication test set, LCR meter, Signal generator, etc., pls contact me if any buy or sell requries. QQ:2853092134 Skype:fbl.sherry.li Tel:+86-755-27882817-610If you can't find more Buying Leads related to your items, why not post your Selling Leads and Products instead? Show More