DeviceWell HDS7106 MINI Switcher with 4 SDI 2 HDMI inputs 6 Channel HD Video Switcher for TV Multiview Live Broadcast - Price history & Review | AliExpress Seller - ZAER Photography Store | Alitools.io
Roland V-60HD Multi-format Video Switcher with SDI/HDMI in/out – Stagelogic Ltd – Audio Visual Solutions
16x4 3G/HD/SD-SDI Switch
3X1 SDI Switcher - Audio Video Switch and Splitter - Audio Video