Sage Laboratories. Model SAM 660 E. SMA connectors. DC to 12 GHz. SP6T rotary switch. VSWR from DC-8 GHz is about 1.3, from 8 to 12 GHz is about 1.5. Insertion loss is about 0.3 dB from DC to 5 GHz and 0.5 dB from 5 to 12 GHz. Isolation average is 70 dB. Power handling is 3.0 KW from DC to 0.1 GHz, 1.0 KW from DC to 1 Ghz and 300 Watts from DC to 10 GHz. RF Voltage rating is 1500V. Switch has rotary solenoid actuation with latching. Self de-energizing. Operating voltage is 24-32 VDC with 28 VDC nominal. Switching time is about 50 mSec with about 30 switches per minute. Connectors spaced 90 degrees apart for output with top input. Pin out is A (common) and B, C, D, E, F and G (ports). A is common and is -VDC connection. In 1984 these cost $535 each. Finish and cosmetics will vary a bit from switch to switch. These are heavy, shipping is priced accordingly. Enjoy!