Sigma Electronics 2100-6 with 3xVDA-21 Video Distribution Amplifier Modules

Sigma Electronics VSM-168 Analog Video Switch Module

Sigma Electronics VAS-120 Analog Audio/Video Switcher w/ Cables - 12 Channel

Sigma Electronics HUS-168 Industrial Control Board

Sigma HSY-1616

Sigma Electronics VAS-120A Video Audio Switcher passive VAS 120 A

LOT OF 2 Sigma Electronics VDA-26 Video Distribution Amplifier

Sigma Electronics Circuit Board HV0-108AC-WB/HV0-916AC-WB