SKU: 20449434971

Hollyland Mars 4K UHD HDMI/SDI Wireless Video Transmission System 450FT

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Description

Hollyland Mars 4K UHD HDMI/SDI Wireless Video Transmission System 450FTThe Hollyland Mars 4K UHD HDMI SDI Wireless Video Transmission System is a complete, out of the box transmitter (TX) and receiver (RX) kit designed to bring ultra high definition monitoring to independent film sets, live broadcast spaces, and commercial video shoots. By upgrading the wireless pipeline to support UHD 4K at 30fps, this system targets production teams who need to check critical focus, exposure, and fine detail without tethering the

The Hollyland Mars 4K UHD HDMI/SDI Wireless Video Transmission System is a complete, out-of-the-box transmitter (TX) and receiver (RX) kit designed to bring ultra-high-definition monitoring to independent film sets, live broadcast spaces, and commercial video shoots.

By upgrading the wireless pipeline to support UHD 4K at 30fps, this system targets production teams who need to check critical focus, exposure, and fine detail without tethering the director or client monitor to a massive tangle of SDI or HDMI cords.

 

Core Hardware & Signal Strengths

  • UHD 4K Transmission Pipeline: The system natively supports UHD 4K resolution at 24, 25, and 30fps via the HDMI port. For traditional broadcast or cinema frame rates requiring high refresh speeds, it cleanly processes 1080p and 720p at up to 60fps across both its digital interfaces.

  • 450ft Operational Footprint: Delivers rock-solid wireless video data transmission up to a 450-foot (150-meter) Line-of-Sight (LOS) radius.

  • Ultra-Low Response Latency: The internal encoding hardware operates at an ultra-low latency of roughly 0.06 seconds (66 milliseconds). This tight throughput speed makes it highly practical for real-time camera panning, focus pulling, and immediate directing feedback.

  • HDMI & 3G-SDI Dual-Port Interfacing: Both the transmitter and receiver feature separate HDMI and 3G-SDI ports. This dual-architecture design supports automatic cross-conversion—allowing you to feed a consumer camera's HDMI output into the transmitter, send it over the air, and pull a professional SDI line out of the receiver to feed a production monitor.

Versatile Monitoring & App Integration

The Mars 4K does not restrict you to traditional hardware-only setups. Depending on how your crew is distributed across the venue floor, you can split your wireless allocation through the HollyView Monitoring App (iOS/Android):

Technical Specifications Matrix

Feature Specification
Kit Loadout Components 1 × Mars 4K Transmitter (Red Badge) + 1 × Mars 4K Receiver (Blue Badge)
Wireless Frequency Carrier 5.1 GHz to 5.8 GHz Dynamic Spectrum
Maximum Video Bitrate Variable from 8 Mbps up to 20 Mbps (12 Mbps Default Standard)
Signal-to-Noise Isolation High-efficiency automatic frequency channel hopping
Display Controls Side-mounted color LCD menu screen with physical joystick navigation
Core Chassis Metric Weight 223g (7.8 oz) per unit — built from robust, lightweight industrial polymers

Tri-Option Power Infrastructure

To adapt to unpredictable changes on location, both the transmitter and receiver are engineered with three distinct power inputs:

  1. Sony NP-F Battery Plates: Accepts standard Sony L-Series batteries (NP-F550/750/970) directly on the rear of the casing.

  2. 6V–16V DC Barrel Input: Locking barrel block for linking straight into V-mount battery distributor plates on camera cages or studio AC wall blocks.

  3. 5V/2.5A USB-C Interface: Allows both modules to run off common portable phone power banks or USB-PD blocks, perfect for lightweight, handheld director's rigs.

💡 Startup Channel Management: When you power on the system, the Mars 4K automatically performs an environment frequency scan before launching its video pipeline. It maps local interference and automatically locks onto the cleanest channel available. If local Wi-Fi or cellular networks crowd your signal mid-shoot, you can click the side joystick to force a fresh scan and clean up your feed instantly.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20449434971

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4.3 ★★★★★
Based on 16 reviews
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L
Verified Purchase
lele
Lowell, US
★★★★★ 5
Love this protection plan
Quick and easy. My daughter's cracked her screen on her phone, as soon as it happened I went on the app, filed the claim. Ten minutes later I received the email with the shipping lable. The following day I dropped the phone off at ups and 4 hours later I received the digital gift card. Ive filed several claims since getting the protection plan and with four kids its definitelysomething im glad to have especially since i dont have to buy a protectionplan for each item now. I have filed claims for electric scooter the stoped working for no reason, my son's phone stopped charging, my oldest daughter cracked her phone screen, my son's video game controllers up and died and each time it was quick and easy and no fuss
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
S
Verified Purchase
Shance L McGuffey
Boise, US
★★★★★ 5
If they can't fix it they will replace it.
This protection plan that i pay monthly for paid for itself ten fold. My 3D printer just quit working and after the manufacturer warrenty had ran out at that. I submitted my claim they emailed me a shipping label in which I shipped out my printer that same day. Two days later they received my printer determined it couldc not be fixed and sent me a Amazon gift card for the full price of my printer. Today I will be receiving my new 3d printer thanks to Complete Protect. I highly recommend anyone and everyone to purchase this policy. This warrenty is like having a home warrenty like Homeshield but for your electronics and probably other stuff that i just have not read to see what else. This insurance will save me so much money over the corse of this year and every year after that. Thank you Complete Protect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
M
Verified Purchase
Miguel Denyer
Phoenix, US
★★★★★ 1
Don't waste your money - these people will not help you
On March 9th 2024, I purchased a MCombo Lift Chair costing $785. On the same day, through the same Amazon account (my PERSONAL account since I also have a business account), I purchased an Asurion Complete Protect policy at the cost of $16.99 per month plus taxes. About one month ago, a problem arose with the chair that required me to make a claim using the "Complete Protect" policy that I had purchased for that very item. The claim was initiated on January 1st, 2025 - On January 3rd, I received an email asking me for photographs showing the damage for which I was making a claim. I sent those photographs via email to the address provided on January 6th. On January 27th, having not received ANY response from Asurion, I contacted them via phone and was told that my purchase had been made with a business account, that it was being used for business purposes, and was therefore not covered. I assured the Asurion Representative that it was most certainly not a business use, and that the chair that I was claiming for had been purchased because I had extensive shoulder surgery done that made it impossible to get in and out of bed. After speaking (unsuccessfully) with the Asurion Rep, I then contacted Amazon Customer Service. I spoke with an Amazon Customer Service Representative on the phone who confirmed that I had in fact used my personal account to purchase the chair and the Asurion Complete Protect policy. That representative went on to send a message to Asurion on my behalf confirming that the purchase was for personal use and not business use. Asurion responded, asking me to call them with the order number for the Asurion purchase. The number I gave was the exact same order number on my order history, however, the Asurion Rep could not find it. I was finally able to discover that the order number in Asurion's system was entirely different and isn't even in the same format as an Amazon order number. Upon the Asurion representative finding my plan, she informed me that the chair was listed as being purchased for business use (despite Amazon confirming that it was NOT) but that I should give them "a couple of business days" to resolve the issue. Five business days later, still no response and so I called them again (Yesterday - February 1st 2025)... Lo and behold, I got the same crap yet again... the purchase was listed as business use and was therefore being denied, but she promised to remove the business use commentary and put the claim through again. Today, February 2nd, I called Amazon yet again to escalate and had to call THREE times because the first two calls resulted in me finally being connected to an Asurion representative (two different reps) and each time, the Asurion representative hung up the phone as soon as my name was mentioned. It has become clear to me that the Asurion "Complete Protect" policy is a SCAM - they will NOT take care of your issue, regardless of how long you've been paying. I have been paying every month since March 9th last year - so they've received over $170 from me thus far, with zero other claims, and if I am able to cancel right now, I will only receive $16.99 back. All I want, is the chair that I purchased the policy for coverage of, to be repaired or replaced. Asurion are NOT helping, and are actively avoiding contact. At this point, I am considering legal action against Asurion for fraud - perhaps even a Class Action. I'll wait and see if my issue gets resolved within the next 10 days or so.
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Reviewed in the United States on February 2, 2025
R
Verified Purchase
Rhonda
Draper, US
★★★★★ 5
Simple and hassle free claims process
I have had to use my insurance policy for several items and the process was simple and hassle free. I mainly purchased this policy / subscription because of one very expensive item I bought with a likelihood off electronic or mechanical malfunction at some point and wanted it covered but I have used it for several other lower priced items that had failed on me. This type of policy would be great for household who purchases a lot of electronics which really isn't me. But The process almost couldn't be easier.
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Reviewed in the United States on June 1, 2026
C
Verified Purchase
CamRam
Chelsea, US
★★★★★ 5
Asurion is AWESOME!
Ok, so let me start with the fact that you should NOT waste your time calling Amazon's customer service if you think you have a claim under Asurion's monthly protection plan. CALL ASURION! I wasted almost an hour with Amazon representatives that have absolutely no training in how the Asurion plan works, or even any idea if my item was covered. In fact, they told me the mechanized chair I purchased under the plan wasn't covered! Finally, my call got escalated to a manager who was just as clueless about my coverage, but had the best idea ever... call Asurion! The smartest thing I did that morning was hang up with Amazon, and reach out to Asurion as I should have done in the first place. Dealing with Asurion's customer service, after my Amazon call, was like being elevated to VIP status! 😄 Asurion's rep nicely took all my info, including the chair's purchase date and order number. Then they asked that I upload a couple of pictures of the product, along with a written description of the malfunction I had mentioned over the phone. This is where it gets really good. They told me they'd review the claim to determine if they'd send a repair specialist or reimburse me the cost of the item. In less than 48 hours, they determined that a payout was in order, and sent me an email that included an Amazon gift card for the total cost of the item minus the taxes I had paid, which I loaded directly into my Amazon wallet. Apparently, Asurion does not include the purchase taxes in their coverage. But, I can live with that. All in all, Asurion's claims division get a double thumbs up 👍🏽👍🏽, and the company gets big ups from me for not only standing behind their protection plan, but doing so expeditiously! Special note: If you buy a lot of stuff from Amazon, and have Asurion's monthly protection plan, scroll the item listing before pulling the trigger on your purchase... you need to see the green streamer that indicates your product is protected by the plan. If you don't see that, check to see if there are alternative products that might be covered. There are very few electronic or high ticket items that aren't covered, but looking for that green banner in the item description that says it's covered is key to foregoing any future headaches.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026

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