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Description
Hollyland MARS 4K Wireless Video TransmitterAdd up to 4K30 wireless video transmission to your gimbal, mirrorless, or DSLR camera rig using the lightweight Mars 4K Wireless Video Transmitter from Hollyland. The transmitter provides HDMI and SDI inputs and features extremely low 66 ms latency with line of sight transmission up to 450' to an optional receiver. Using the Hollyview app for iOS or Android, you can monitor your video transmission in real time via a Wi Fi connection to your tablet or
Add up to 4K30 wireless video transmission to your gimbal, mirrorless, or DSLR camera rig using the lightweight Mars 4K Wireless Video Transmitter from Hollyland. The transmitter provides HDMI and SDI inputs and features extremely low 66 ms latency with line-of-sight transmission up to 450' to an optional receiver.
Using the Hollyview app for iOS or Android, you can monitor your video transmission in real time via a Wi-Fi connection to your tablet or smartphone. The unit also features a built-in frequency scanner to select the clearest frequency for your transmission. The Mars 4K transmitter is compact in size, features a bright touchscreen LCD display for configuration, and is built with a corrosion-resistant housing. The unit can be powered using a USB-C source, the included locking DC power adapter, or by using a separately available L-series type battery using an optional battery plate.
UHD 4K Video Transmission
The Mars 4K supports UHD 4K30 video transmission for the discerning videographer looking for high-resolution production capability. The Mars 4K also supports FHD and HD formats at varying frame rates such as 24, 30, and 60p.
Long Range and Low Latency
The Mars 4K transmits a long line-of-sight range of 450' and an ultralow latency of 66 ms. Its upgraded dual-core codec chip is capable of a 12 Mb/s data transfer rate.
HDMI and SDI Interfaces
The Mars 4K transmitter supports HDMI and SDI inputs for expanded connectivity and compatibility. The SDI ports provide expanded frame rate flexibility for broadcast and production frame rate standards and compatibility through production and postproduction.
Form Factor
The Mars 4K features corrosion and wear resistance for durability. The design form factor optimizes operational functionality for fast configurations with wiggle-free, bullet-styled antennas attached.
Smart Channel Scanning
Channel assignment options allow for interference-free transmission. A stable connection is possible automatically upon startup. An intelligent channel scan helps determine which ones are occupied and selectable.
Color Touchscreen LCD
The Mars 4K features a color touch LCD with a user-friendly UI design that enables quick configuration and status checks. Its gamepad-styled button dramatically improves the operational setup experience.
Multiple Power Options
The Mars 4K supports various DC power options: 6 to 16 VDC coax input, L-series/NP-F batteries, and USB-C chargers.
App Monitoring
The Hollyview app for Android and iOS allows you to monitor your transmission on a smartphone or tablet. It allows you to transmit to apps and receivers in the following configurations:
- Transmitter to 1 receiver + 2 apps
- Transmitter to 4 apps
- Mars M1 wireless transceiver monitor to 1 receiver and 2 apps
Specifications
Inputs / Outputs
| Antenna I/O | 2 x RP-SMA Male |
| Video I/O | 1 x HDMI Input 1 x BNC Input |
| Embedded Audio | HDMI/SDI |
| Audio I/O | None |
| Power I/O | 1 x Barrel Input 1 x USB-C Input |
Wireless
| Wireless Range | 450' / 137.2 m (Line-of-Sight) |
| Channel Bandwidth | 20 MHz |
| Frequency Range | US: 5.1 to 5.8 GHz |
| Latency | 66 ms |
| RF Power | 21 dBm |
| Wi-Fi | Wi-Fi 4 (802.11n) |
| Bluetooth | None |
| Mobile App Compatible | Yes |
Format Support
| Video Format | HDMI UHD 4K: 30 1080p: 60/30/24 SDI 1080p: 60/59.94/30/29.97/24/23.98 |
| Timecode Support | Yes |
Power
| DC Input Power | 6 to 16 VDC |
| Power Consumption | 8.5 W |
Mounting
| Mounting | 1 x 1/4"-20 Female |
Environmental
| IP Rating | None |
| Environmental Protection | None |
| Operating Temperature | 14 to 140°F / -10 to 60°C |
| Storage Temperature | -40 to 140°F / -40 to 60°C |
General
| Dimensions | 4.5 x 2.6 x 1.3" / 115 x 65 x 32 mm |
| Weight | 7.9 oz / 223 g, Excluding Antenna |
Packaging Info
| Package Weight | 1.56 lb |
| Box Dimensions (LxWxH) | 8.1 x 5.7 x 3.1" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Love these tunics!
Color: Aprioct Boho Yg9, Size: XX-Large
I absolutely love these tunics! They are very figure flattering & so soft & comfortable to wear. The material is on the thinner side so they are great for warmer weather. I have very sensitive skin so many fabrics irritate me but this one is fabulous. I would wash on gentle & hang to dry to keep fabric looking nice. After wearing the first one, I ordered 3 more…
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Pretty Tunic Top
Color: Willowfloral, Size: X-Large
Very happy with this tunic top! Long enough for me to feel good about wearing it with leggings, but not SO long it feels like a dress. Really good V-neck, not just a little notch at the top that some brands call a v-neck. I ordered the teal floral XL and was very happy with the fit and drape. I'm a size 18W with a 42D bust and a chubby waistline. I often end up in XXL or 1X tops, but this fit well as an XL. Nice feel to the material and a bargain at the price!
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Very flattering in my opinion
I'm 5'6 and no hips, so I really liked that the length is a little longer and flares a little at the hips giving my chunky but not curvy figure some illusion of a girlish figure. The pattern and colors were pretty & I'd say pretty close to the ad. Great blues and a coral/peach ... not sure my camera did it justice. I like the pleat at the back ... I feel that it minimizes the bra bulge that can happen at times. I stepped out after try on and my guy said it looked great (he's a truth teller with clothes) so that made me feel better because sometimes I see what I want to see at first & later see the flaws. I do see the case instructions ... getting used to hang to dry all things lately. Feels a little more nylon-ish but not bad. Its not super thin and light where I think it's a clingy thing. Really do like this shirt
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Reviewed in the United States on March 9, 2026
★★★★★ 4
Nice, but not great fabric quality
Color: Floral Black, Size: Large
The fit was great. Colors were as shown. The fabric shows signs of wear pretty much on the second wear so durability isn’t great. The fabric is soft and light weight so perfect for spring and fall. Not sure I’d buy again as I think it will look worn out quickly.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Ding! Ding! Ding! We have a winner!
Color: Boho Multicolor, Size: XX-Large
Wow. These are really nice tops. The material is soft and very comfortable and the fit is true to size. Colors are as pictured. They look and feel like they cost a lot more!
I initially order this in 2 different patterns (Boho and Willowfloral) and I just now ordered 3 more, black, purple, and wine red. Can easily be worn all year round and can be dressed up or down. All in all, I’m very pleased with this purchase.
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Reviewed in the United States on May 31, 2026