Hollyland SYSCOM421-4 Multicamera Wireless Transmitter System (4Tx-1Rx)


4 transmitters to a single video receiver with no compression, and low delay, up to 600 meters. Connects 4 cameras with PTZ and Tally control. 4 SDI/HDMI outputs, one per transmitter. OLED display with transmission and battery charge information.  Transmits LAN, RS422 and RS485 control.

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5.999,00 € Con IVA
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The Hollyland Syscom421 wireless video and audio transmission system is a multi-camera wireless video transmission system that connects to up to four cameras using a single receiver with PTZ and tally control. It supports video signals up to 1080p60 via SDI and HDMI. Offering a line-of-sight transmission range of 550m, with a latency of 0.07 seconds.

The receiver has 4 SDI/HDMI outputs (one per transmitter) to be connected to a monitor or switcher. It is also possible to connect the receiver to a LAN, allowing you to pass control signals from a control panel to the transmitters. This allows you to control PTZ cameras and send Tally information. The transmitters have a dedicated Tally output port.

Both units have OLED displays that show resolution, transmit channel, signal strength and other details such as remaining battery charge. Each of the transmitters features an L-series battery plate and the receiver has a V-mount battery plate. Both the transmitter and receiver feature a 2-pin power input for extended run times.


Hollyland Syscom421-4 Wireless Video Transmitter system features 

  • Transmitter/receiver system up to 1080p60
  • 4 x transmitters to 1 x receiver
  • Line of sight transmission to 550m
  • Allows PTZ cameras to be controlled wirelessly
  • SDI and HDMI input
  • SDI and HDMI output
  • Control and tally pass through
  • OLED display
  • Built-in battery plate
  • LAN / RS-422 / RS-485 control transmission
  • 0.07 seconds latency


Data sheet

Video Inputs
Max. Video Resolution
625i / 525i - SD
1280x720 - HD
1920x1080 - HD
Data and Control
500 m

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