Sigma Electronic VSM-1616 16x16 ANALOG VIDEO SWITCH CARD MODULE 4 SLOT VSM 1616

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

Sigma Electronics Circuit Board HA0-108

Sigma Electronic ASM-1616 16x16 ANALOG AUDIO SWITCH CARD MODULE 4 SLOT ASM 1616

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

Sigma Electronics VSM-168 Analog Video Switch Module

Sigma Electronics HUS-168 Industrial Control Board

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