Hp (HEWLETT -PACKARD) 11713A Attenuator/ Switch Driver

Used and old item.it seems working,power ON. But I dont know all options and all system work or not work.

good condition.Workig.without problem,As pictures not more.clear.it doesnt have valid calibration DEAR BUYERS: It's a great honor for you to see

HP (HEWLETT PACKARD) 8591A SPECTRUM ANALYZER, OPT : 001,021,301. Very good condition,Very very clear,without problem .. Working well. As pictures

it doesnt work.Buyer has to repair it or buyer can use it as parts.As pictures not more. I dont know