SKU: 62863978871

Hollyland Syscom 421-2TX, 2x Transmitter, 1x Receiver, 15x Antenna, 2x Arm Mounts

Sale price$45954.00 Regular price$51060.00
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Description

Hollyland Syscom 421-2TX, 2x Transmitter, 1x Receiver, 15x Antenna, 2x Arm MountsThe Hollyland Syscom 421 2TX (2x Transmitter, 1x Receiver) bundle is a professional, multi camera wireless video transmission kit engineered specifically for mid sized live broadcasts, multi cam live streaming, and commercial video sets. By utilizing a multi channel receiver hub, this system allows two independent cameras to broadcast real time video to a single central receiver over a single RF channel, drastically saving valuable wireless bandwidth

The Hollyland Syscom 421-2TX (2x Transmitter, 1x Receiver) bundle is a professional, multi-camera wireless video transmission kit engineered specifically for mid-sized live broadcasts, multi-cam live streaming, and commercial video sets.

By utilizing a multi-channel receiver hub, this system allows two independent cameras to broadcast real-time video to a single central receiver over a single RF channel, drastically saving valuable wireless bandwidth and preventing frequency congestion on a busy set.

Core Hardware & Kit Inventory

  • 2 × Syscom 421 Transmitters (TX): Mounted onto your individual camera rigs. Each unit accepts both 3G-SDI and HDMI video feeds up to 1080p60 and transmits them over a massive 1,800-foot (550m) Line-of-Sight (LOS) range.

  • 1 × Syscom 421 Multi-Cam Receiver (RX): Positioned at your director's station or video switcher booth. It simultaneously picks up both video feeds and outputs them across 2 dedicated HDMI and 2 3G-SDI ports.

  • 15 × High-Gain 5GHz Antennas: This generous count is mathematically designed for field redundancy. Both transmitters and the receiver require 4 antennas apiece to run their high-throughput MIMO (Multiple-Input Multiple-Output) wireless arrays (4 x 3 = 12 antennas in active use). Hollyland provides 15 total antennas in this package so you have 3 complete spares on hand if an antenna breaks or goes missing during a chaotic build.

  • 2 × Articulated Magic Arms (7-Inch): Heavy-duty friction mounts used to securely clamp each of the two transmitters onto your cameras' cages, top plates, or cold shoes without slipping during rapid pans.

Pro-Tier Multi-Cam Integration Features

  • Bidirectional PTZ & Tally Control: The system passes data back and forth seamlessly. It includes integrated RS-485/RS-422 serial links and RJ45 network terminals, allowing a technical director at the switcher booth to send remote PTZ (Pan-Tilt-Zoom) joystick commands back to a robotic camera rig. It also pushes physical Tally light data to notify operators and on-camera talent which feed is currently "live."

  • Wired Ethernet RTSP Streaming: The receiver hub features a native LAN port. You can plug it straight into a local router or streaming computer to execute direct RTSP network pull-streams, simplifying workflow routing into software switchers like vMix or OBS Studio.

  • Flexible Broadcast Power Solutions: Built for continuous deployment. Every unit features a rear-mounted Sony NP-F (L-Series) battery plate for mobile or handheld operations, alongside a locking 2-Pin LEMO DC barrel input (7–36V) to draw robust, continuous power directly from a cinema camera’s V-mount or Gold-mount D-Tap distributor block.

Technical Specifications Matrix

Feature Specification
System Scalability Limits Out-of-the-box 2TX setup (Scalable up to 4TX total to a single RX)
Maximum Operating Range Up to 1,300 Feet (400m) standard / 1,800 Feet (550m) Max Line-of-Sight
End-to-End System Latency Minimal 0.07 Seconds (70ms) processing window
Wireless Core Carrier 5.1 GHz to 5.9 GHz High-Throughput Frequencies
Video Processing Resolutions 1080p, 1080i, and 720p at 60/50/30/25/24 frames per second
Chassis Build & Durability Industrial, heat-dissipating Aluminum Alloy

💡 On-Set Channel Allocation Tip: Because this system encodes multiple video links onto a single 40 MHz channel block, it makes multi-camera operations incredibly clean. If you need to expand your coverage down the road, you do not need to buy a completely new wireless system or worry about frequency coordination—you can purchase individual standalone Syscom 421 transmitters later and sync up to four cameras total directly into this exact same receiver hub.

Shipping Notes
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Exchange/Return Notes
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SKU: 62863978871

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Verified Purchase
Carmen Alicea
Grantham, US
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat. It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
S
Verified Purchase
Shianne Whipple
Bozeman, US
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot. Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable. The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold. The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025
N
Verified Purchase
NLB
Chelsea, US
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
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Reviewed in the United States on November 11, 2024
A
Verified Purchase
Altairjones
Belleville, US
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic. I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop. One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
M
Verified Purchase
Melissa Williams
Los Angeles, US
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024

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