Hollyland Mars 4K SDI/HDMI Wireless Video Transmission System

Step up your production game with the Hollyland Mars 4K SDI/HDMI Wireless Video Transmission System—a compact, high-performance tool designed to send crisp 4K30 video from your DSLR, mirrorless, or gimbal-mounted camera without the clutter of cables.

With HDMI and SDI inputs on the transmitter and matching outputs on the receiver, this system delivers incredible flexibility. You get real-time monitoring with practically zero lag—just 0.06 seconds—across distances up to 450 feet line-of-sight. Whether you're working on set or in the field, it keeps your workflow smooth and wireless.

Real-Time Monitoring, Right on Your Phone

Using the HollyView app on iOS or Android, you can stream live video straight to your tablet or smartphone. Setup is fast and intuitive, and the app gives you a live look at your footage without the need for extra monitors or gear. Built-in smart frequency scanning ensures your signal stays strong by picking the best available channel automatically.

4K30 UHD Quality, with Support for HD Standards

Whether you're shooting in full UHD or downscaling to 1080p, the Mars 4K has you covered. It handles 4K at 30fps via HDMI and supports frame rates like 24, 30, and 60p in both full and standard HD. With H.264 encoding and bit rates from 8 to 20 Mb/s, it adapts to different shooting environments with modes for speed, balance, or high-quality scenes.

Built for Versatility and Durability

The Mars 4K supports both HDMI and SDI input/output, making it a flexible choice for a wide range of camera systems. The SDI ports are perfect for broadcast professionals needing fractional frame rate support—like 23.98, 29.97, and 59.94 fps. Output from HDMI and SDI is simultaneous, allowing seamless integration into multi-display or switching setups.

The unit is rugged, compact, and built to last with a corrosion-resistant casing. Its bullet-style antennas stay secure, and the ergonomic design speeds up rig assembly.

Smart Tech Behind the Scenes

The upgraded dual-core codec chip enables a smooth, high-data-rate transfer at 12 Mb/s by default, scaling up to 20 Mb/s when needed. Channel scanning kicks in the moment you power on, minimizing interference without extra steps.

Power Your Way

Mars 4K gives you options: run it off an NP-F battery, plug it into 6–16V DC, or use USB-C for charging or firmware updates. Whatever your power setup looks like, the Mars 4K adapts.

Touchscreen Control That Makes Sense

The full-color LCD touchscreen and intuitive UI let you tweak settings in seconds. At a glance, check your signal strength, battery level, channel, format, and more—all while staying focused on the shot.

Flexible Transmission Options

Choose the setup that fits your shoot:

• 1 transmitter → 1 receiver + 2 app connections
• 1 transmitter → 4 app connections
• Mars M1 monitor → 1 receiver + 2 apps