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Hollyland Mars 300 PRO HDMI Loopout Wireless Transmitter and Receiverfor SLR/MILC Camera with 300ft Long Range 0.08S Low Latency 1080P HD Video Transmission System (Enhanced).


  • Add up to 1080p60 wireless video transmission to your gimbal, mirrorless, or DSLR camera rig using the lightweight standard Mars 300 PRO HDMI Wireless Video Transmitter/Receiver Set from Hollyland. This standard model features internal antennas on both the transmitter and receiver. The transmitter provides a single HDMI input plus an HDMI loop-out for viewing on an on-board monitor and the receiver provides two HDMI outputs. The transmitter features line-of-sight transmission up to 400' to the receiver and up to 300' to a Wi-Fi app.
  • Using the Hollyview app for iOS or Android, you can monitor your video transmission in real time via a Wi-Fi connection. The transmitter can transmit to up to one receiver and two apps, or to a total of three apps, simultaneously. The transmitter and receiver are compact in size, feature a bright OLED display for configuration, and they each feature a 1/4"-20 mounting thread. Each can be powered using a USB Type-C source, or they can be powered using a separately available L-series type battery using their battery plates. The Mars 300 set also includes an accessory expansion plate, a shoe mount, and a USB Type-C cable.

Key Features

  • Transmits up to 1080p60 HDMI video
  • 100m line-of-sight transmission to receiver, 75m to SmartPhone App
  • OLED display
  • Real-time app monitoring
  • Simultaneously transmit to one receiver and two apps, or to three apps
  • HDMI input and loop-out on transmitter for viewing on an on-board or another monitor
  • Dual HDMI outputs on receiver
  • Power via L-series battery or USB Type-C input
  • 1/4"-20 mounting threads

Built-in Antennas for Easy Setups , Efficient Shooting , and Different Shooting Applications
Up to 300ft Hassle-free and Reliable Range for Wireless Video and Audio Transmission
0 08s Lowest Achievable Latency for Real-time Monitoring That Enables
Better Using Experience with the Multi-functional Clickable Thumbwheel Switch
Supports 5-12V Wide Voltage Power Supply , Including VariousL-series Batteries , Different Power Banks , and Type-c ( 5v / 2A ) Charging
Side OLED provides easy access to power status, channel scan, and other OLED display information for both vertical or horizontal installation methods.
OLED Display: Device ID, WiFi Signal Strength, Fan Status Display, Battery Voltage Display, Channel Display, Video Format


Interface Transmitter: HDMI Input (Type A Female) & HDMI Loop out (Type A Female); USB Type-C ; Receiver:HDMI Output (Type A Female); USB Type-C
Supply Interface USB Type-C Supply: 5V/2A & Battery Supply: 5-12V DC
Power Consumption Transmitter: <11W ; Receiver: <4W
Weight Transmitter: 172.5g ; Receiver: 128.5g
Deminsion Transmitter--L*W*H: 110*61*21mm & The battery plate excluded ; Receiver-- L*W*H: 110*61*21mm & The battery plate excluded
Input / Output Video Format Transmitter: HDMI: 480p60; 576p50; 720p50/59.94/60; 1080i50/59.94/60; 1080p23.98/24/25/29.9/30; 1080P50/59.94/60 ; Receiver: HDMI: 480P60; 576P50; 720P50/60; 1080i50/60 ; 1080P24/25/30; 1080P 50/60
Frequency 5GHz
Modulation Mode OFDM
Transmission Power Transmitter: Maximum 21dBm ; Receiver: /
Receiver Sensitivity Transmitter: / ; Receiver: -80dBm
Transmission Latency 0.08s Minimum delay
Bandwidth 20MHz


Package Including:

  • 1 x Receiver
  • 1 x Transmitter
  • 3 x Antenna
  • 1 x User Guide
  • 1 x Expansion Accessory
  • 1 x Cold Shoe
  • 1 x USB Type-A to Type-C data cable
SKU Mars300Pro
Barcode # 6970758741057
Brand Hollyland
Shipping Weight 1.0000kg
Shipping Width 0.200m
Shipping Height 0.150m
Shipping Length 0.100m

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