Buy Wholesale China Mt-viki Hd1616 4k30hz 16 Input 16 Output 16x16 Hdmi Matrix Switch With Rs232 Serial Port Web Control & 4k30hz 16x16 Hdmi Matrix Switch at USD 590.95 | Global Sources
HDMI over Cat5e Video Extender w/ RS232 - HDMI® Extenders | Audio-Video Products | StarTech.com Canada
4K Extender HDMI, HDMI over Fibre Extender - AV System Solution - FS.com Europe
4K HDMI USB/Audio/RS232/IR KVM Extender over CAT5e or Fiber Kit - HKM0
VX-HDB-RX Black Box, HD BASE T HDMI VIDEO EXTENDER RECEIVER 4K, 70M, POH
4K Extender HDMI, HDMI over Fibre Extender - AV System Solution - FS.com Europe
Edge Controller (752-8303/8000-002) | WAGO USA
Amazon.com: OREI 4K HDMI Extender Balun - HDBaseT UltraHD 4K @ 60Hz 4:4:4 Over Single CAT5e/6/7 Cable with HDR, ARC, CEC & IR Support, RS-232 - Up to 130 Ft @ 4K -
PC-Canada.com
AV Access 4K HDMI Extender, 2-Way IR, PoE & RS232
Key Digital 4K/18G HDMI over Single Cat 5e/6 Cable KD-X444LP B&H
HDMI Connection Cable - Magnadyne
4K HDMI USB/Audio/RS232/IR KVM Extender over CAT5e or Fiber Kit - HKM0
HDMI-TPX-RX106
PC-Canada.com
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chip 3.3 FT, USB 2.0 to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC, 1M Black : Electronics
StarTech.com 2x2 HDMI Video Wall Controller/Processor - 4K 60Hz to 4x 1080p - RS232/Ethernet Control - ST124HDVW - Audio Equipment - CDW.com
AV Access 4K HDMI Extender, 2-Way IR, PoE & RS232
Amazon.com: OIKWAN USB C to RS232 DB9 Serial Port Adapter Cable(USB-C to Serial, USB C to DB9, USB C to RS232) with FTDI Chipset Supports Windows 11,10 8 7 and Mac Linux… :
HDMI over Fiber Extender Kit, 4K 60 Hz, RS-232, IR, Multimode LC | Eaton
41910-HT0 Leviton HDMI Extender Kit,Uses Single CAT5E/6/6A with IR, RS232, PoH - Aartech Canada