Tektronix SI5010 Programmable Scanner
The SI5010 programmable scanner provides the capability of switching and routing up to 16 high-frequency input and/or output signals. It always maintains a clean 50 ohm environment through the use of 50 ohm coaxial reed relays.
Description of SN B010883
This SI5010 is in VG+, it's a nice one. $175
Description of SN B010100
This SI5010 is in good to very good condition. $ 150
Three additional units, SN B011054, B010995, B010996 came oout of IBM and are in VG+ condition $ 175 ea.