1pc ST SD2931-11 RF power transistor microwave power amplifier high frequency tube #XX
package:1pc
warranty: 90 days
tested and works well,
pls note in the busy season, the shipping time will be delayed,and longer than usual,
if you have not get the package more than 35 days,pls email to us for a solution,
we provide full refund or sending a replacement if the items can not work or lost during transhipment.
On Jan-04-22 at 05:23:17 PST, seller added the following information: