Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System

Key Features

  • 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
SKU: CosmoC1 Category:



Product Description

The Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System  allows you to transmit up to 1080p60 video via HDMI/SDI inputs up to 1000′ line-of-sight with a low 40 ms latency to an HDMI or dual SDI outputs. 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 system operates on the 5 GHz frequency band and is encrypted to prevent video leakage. The system supports smart channel selection, allowing the system to choose the cleanest channel for transmission. It also supports UVC pull streaming. Both units also feature a bright, easy-to-read OLED display. Each unit is designed to be powered via an L-series battery plate, by the included D adapter, 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.

  • Hollyland Cosmo C1 SDI/HDMI Wireless Video Transmission System
  • Cosmo C1 Transmitter
  • Cosmo C1 Receiver
  • 4 x Antenna
  • 2 x Mushroom Antenna
  • Shoe Mount
  • Pan/Tilt Mount with Shoe Mount
  • USB Type-C Adapter
  • DC Adapter
  • Expansion Accessory
  • Limited 1-Year Warranty

Hollyland Cosmo C1 Specs

Antenna Ports Transmitter/Receiver: 2 x RP-SMA Female
Video Transmitter: 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
HDCP Support Not Specified by Manufacturer
Embedded Audio HDMI/SDI: 2-Channel
Audio None
Power Transmitter/Receiver: 1 x Coax (16 VDC) Input
Other I/O Transmitter/Receiver: 1 x USB 3.1 / USB 3.2 Gen 1 (USB Type-C) Input
Encryption 128-Bit AES
Wireless Range 1000' / 304.8 m
Channel Bandwidth 40 MHz
Frequency Range US: 5.1 to 5.9 GHz
Latency 40 ms
Wi-Fi Yes
Format Support
Video Format HDMI/SDI 1080p: 60
Audio Format Not Specified by Manufacturer
Timecode Support Yes
DC Input Power 6 to 16 VDC
Battery Type Transmitter/Receiver: 1 x L-Series
Mounting 1 x Cold Shoe
IP Rating None
Packaging Info
Package Weight 4.39 lb
Box Dimensions (LxWxH) 11.6 x 10.8 x 5.5"