• 4K2K HDMI Extender over IP with Video-Wall and USB KVM
  • AV-9521

Model : AV-9521

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The AV-9521 is a perfect solution for 4K2K HDMI with USB/IR/RS232 over IP Ethernet. The system includes AV-9521T Transmitter (TX) and AV-9521R Receiver (RX). The TX connects to PC or Blu-ray player for the 4K2K HDMI source, the RX connects to display, speaker, microphone, and USB devices. 

The solution is based on the standard IP technology, the TX converts input signals (HDMI, Audio, USB, …) to IP packets and Multicast/Unicast to Gigabit Ethernet switch. On the other end of RXs, receiving IP packets from Ethernet switch then converts back to HDMI, Audio, USB… and send to display, speaker, USB devices. The 4K2K Encoder/Decoder engine built with Scaling function, multiple RXs are flexible to be configured as Video-Wall displays. Perfect for AV Broadcasting, KVM Matrix Control, Video-Wall applications like informational displays, entertainment, boardrooms, courtrooms, medical, military, and education digital signage.

Direct Connection
Many to Many

AV-9521T Front View
Rear View
AV-9521T Rear View
AV-9521T Front View
AV-9521R Front View
Rear View
AV-9521TR Rear View
AV-9521R Front View
AV-9521T & AV-9521R Side View
AV-9521T & AV-9521R Side View

Model No. Transmitter Receiver
AV-9521T AV-9521R
HDMI Input
1 N/A
VGA Input 1 N/A
HDMI Output
N/A 1
VGA Output N/A 1
Power DC 9~32V, 15W DC 9~32V, 20W
Network Port 1 x RJ45 Gigabit
USB Upstream (to PC) 1 N/A
USB to Devices N/A 2 x USB 2.0 + 2 x USB 1.1
Mounting Holes Yes
3.5mm Line-In 1 N/A
3.5mm Mic-In N/A 1
3.5mm Line-Out 1
IR remote control (option) 1 x IR Blaster 1 x IR Receiver
RS-232 Yes
Resolution 1080p or 4K2K (3840 x2160@30Hz)
Inter-connect Cable CAT 6 / 7
Operation Temperature
0 ~ 50°C
Storage Temperature
-20 ~ 85°C
0 ~ 80% Non-condensing
Physical Properties
453g 458g
Dimension (L x W x H)
150 x 110 x 28 mm 150 x 110 x 28 mm
proimages/Icon/circle-icon.png Support 1080p or 4K2K HDMI (3840 x 2160) resolution..
proimages/Icon/circle-icon.png All TX/RX are based on Gigabit Ethernet Switch, easy cabling, easy installation, easily maintain.
proimages/Icon/circle-icon.png Support one-to-one (Unicast), one-to-many (Multicast) for Audio/Video real time broadcasting.
proimages/Icon/circle-icon.png Support many-to-many Group Broadcasting if the Ethernet switch enabled the IGMP.
proimages/Icon/circle-icon.png Support USB for KVM PC control, you can attach keyboard, mouse, touch screen, storage at the Receiver site to control the PC at the Transmitter site.
proimages/Icon/circle-icon.png The 4K2K Encoder/Decoder engine built with Scaling function, multiple RXs are flexible to be configured as Video-Wall displays with  180, 270゜Rotation.
proimages/Icon/circle-icon.png Support both HDMI and 3.5mm stereo audio, you can use speaker/microphone at the Receiver.
proimages/Icon/circle-icon.png Support IR option, you can use the IR remote controller at Receiver site to control the set-top box at the Transmitter site.
proimages/Icon/circle-icon.png Support RS-232 bridge option, you can send RS-232 data in between PC and screens.
proimages/Icon/circle-icon.png Pure hardware design, plug-and-play, no any additional software installation required.
proimages/Icon/circle-icon.png Built-in HTTP for setting the IP address, Multi/Unicast, Baud Rate, ….
proimages/Icon/circle-icon.png Provide Connection Manager Software for Transmitters/Receivers connection Management.
proimages/Icon/circle-icon.png Provide Video-Wall Manager Software for Video-Wall Configuration and Operation Management.
proimages/Icon/circle-icon.png FCC, CE, RoHS. compliant.
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