HDBaseT Quad DVI-D, USB, RS232, Audio, CAT5/5e/6 Transmitter


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The SmartAVI SDX-4P DVI Transmitter extender is capable of sending quad DVI-D signals up to 400 feet over four conventional and inexpensive CAT5/5e/6 cables. The SDX-4P also extends USB keyboard and mouse, audio and RS-232 signals, giving users the ability to control displays or devices remotely.

400 feet of signal extension from the SDX-4P gives system architects and end users the ability to create the audio and video environment that best suits their needs and applications. And thanks to the unit's quad head functionality, users can operate a truly impressive and productivity-enhancing work space.


  • Digital Signage
  • Security
  • PC Networking
  • Conference Center Systems
  • Point of Sale
  • Camera Surveillance
  • Video Phone
  • Control Room Systems
  • Recording Studio
  • PC KVM Extension



  • Extends quad DVI-D up to 400 feet (120m) from the source
  • HDCP Support
  • Supports up to 1920x1200 digital video resolution @ 60Hz
  • Supports 4K/2K (3840x2160) video resolution @ 30Hz
  • Automatic DDC Learning
  • USB Keyboard and Mouse extension
  • Uncompressed Video using HDBaseT
  • RS-232 extension allows for remote control of displays
  • External power adapter for transmitter and receiver unit
  • Supports Stereo Sound
  • Compatible with Windows, Mac and Linux Operating Systems


SmartAVI SDX-4P Transmitter Specifications

Height 1 in. (2.54 cm)
Width 5.1 in. (12.95 cm.)
Depth 3.62 in. (9.19 cm.)
Video FormatDVI-D
Maximum Pixel Clock165 MHz
Video Input Interface(2) DVI-D 29-pin female
Video Output Interface(2) DVI-D 29-pin female
ResolutionUp to 1920x1200 @ 60Hz and up to 4K/2K (3840x2160) @ 30Hz
DDC 5 volts p-p (TTL)
RS232 Input Interface(2) DB9 (female)
RS232 Output Interface(2) DB9 (female)
Speed@115 Kbps
IR Input Interface(1) 3.5 mm (female)
IR Output Interface(1) 3.5 mm (female)
Frequency Response30KHz to 80KHz
PowerExternal 100-240 VAC/5VDC3A in D
UPC / EAN Barcode icon
UPC 813280023177
EAN 0813280023177