Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System : MY WAY VIDEO


Hollyland Cosmo C1 SDI/HDMI…

Original price was: U$ 899.00.Current price is: U$ 890.00.


  • Wireless Video Transmitter/Receiver Set
  • Transmitter HDMI/SDI Input, SDI Loop Out
  • Receiver HDMI & 2 x SDI Outputs
  • OLED Screen, USB Type-C Power Input
  • 1000′ Line-of-Sight 1080p60 Transmission
  • 5.1 to 5.9 GHz Frequency Range
  • AES-128 Encryption, 40 ms Latency
  • L-Series Battery Plates on TX/RX
  • DC Adapter Power or Optional Battery

Original price was: U$ 899.00.Current price is: U$ 890.00.

Available on backorder

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Hollyland Cosmo C1 Overview

High-Definition Video Transmission
The Cosmo C1 SDI/HDMI Wireless Video Transmission System from Hollyland allows you to wirelessly transmit high-resolution video up to 1080p60 over long distances, allowing flexible video monitoring and distribution for your studio or field production. This kit consists of a transmitter and a receiver.
Solid, Secure Wireless Transmission
The Cosmo C1 can transmit video up to 1000′ line-of-sight with a low 40 ms latency using the HEVC/H.265 codec. The system operates on the 5 GHz frequency band and uses AES-128 encryption to prevent video leakage. It also supports smart channel selection, allowing the system to choose the cleanest channel for transmission, as well as HEVO, a adaptive frequency hopping technology, for seamless retransmission without losing a frame.
Live Video Input/Output
  • The transmitter offers one HDMI input, one SDI input, and one SDI loop-through output, and the receiver offers two SDI outputs and one HDMI output.
  • The receiver can also be used for live streaming via its USB Type-C output, supporting UVC applications on your Internet-connected computer.
Versatile Power and Form Factor
  • Both compact units also feature a bright, easy-to-read OLED display showing status and configuration
  • Each unit can be powered via an L-series battery plate or with an optional USB power supply via the USB Type-C port
  • Four standard antennas and two mushroom antennas are supplied for the receiver and transmitter
  • Each unit is easy to mount just about anywhere using its 1/4″-20 threads and included shoe mount adapter

Hollyland Cosmo C1 Specs


Antenna PortsTransmitter/Receiver: 2 x RP-SMA Female
VideoTransmitter: 1 x BNC (3G-SDI) Input
Transmitter: 1 x HDMI Type A Input
Transmitter: 1 x BNC (3G-SDI) Loop Output
Receiver: 2 x BNC (3G-SDI) Output
Receiver: 1 x HDMI Type A Output
Embedded AudioHDMI/SDI: 2-Channel
PowerTransmitter/Receiver: 1 x Coax (16 VDC) Input
Other I/OTransmitter/Receiver: 1 x USB 3.1 / USB 3.2 Gen 1 (USB Type-C) Input
Encryption128-Bit AES


Wireless Range1000′ / 304.8 m
Channel Bandwidth40 MHz
Frequency RangeUS: 5.1 to 5.9 GHz
Latency40 ms

Format Support

Video FormatHDMI/SDI
1080p: 60
Wireless Video CompressionUncompressed


DC Input Power6 to 16 VDC
Battery TypeTransmitter/Receiver: 1 x L-Series


Mounting1 x Cold Shoe
Weight9.595 lbs
Dimensions16 × 13.6 × 6.55 in

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