SKU: 15287199103

Hollyland Syscom 421 Single TX, 1x Transmitter, 1800Ft Range

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Description

Hollyland Syscom 421 Single TX, 1x Transmitter, 1800Ft RangeThe Hollyland Syscom 421 Single TX is a standalone, production grade wireless video transmitter designed for multi camera live broadcasts, commercial sets, and large scale studio environments. Available as an individual expansion component, this transmitter is built exclusively to pair with Hollylands flagship Syscom 421 421S multi cam base receiver systems. It allows production crews to scale up their wireless camera footprint seamlessly. The unique

The Hollyland Syscom 421 Single TX is a standalone, production-grade wireless video transmitter designed for multi-camera live broadcasts, commercial sets, and large-scale studio environments.

Available as an individual expansion component, this transmitter is built exclusively to pair with Hollyland’s flagship Syscom 421 / 421S multi-cam base receiver systems. It allows production crews to scale up their wireless camera footprint seamlessly. The unique architecture of the Syscom 421 platform allows up to four independent transmitters to communicate over the exact same RF channel simultaneously, drastically optimizing wireless bandwidth and preventing the signal congestion common to multi-camera shoots.

Key Broadcast & Data Engineering Features

  • Advanced Bandwidth Optimization: Traditional setups require a separate wireless channel for every single camera, which quickly clogs up local airwaves. The Syscom 421 platform allows you to stack up to four of these transmitters onto a single RF frequency lane without causing crosstalk, signal degradation, or frame drops.

  • Dual Interface Hardware (3G-SDI + HDMI): Universally cross-compatible with professional broadcast rigs, field switchers, and mirrorless setups. The side panel houses one full-sized HDMI input alongside a rugged BNC 3G-SDI input. It natively transmits zero-compression video signals up to 1080p at 60fps.

  • Integrated PTZ Control Pass-Through: Features an industrial RS-485 / RS-422 serial interface port alongside an RJ45 Ethernet LAN port. This enables bidirectional data transmission, letting technical directors send remote PTZ (Pan-Tilt-Zoom) joystick commands or camera IP control data from the switcher tent directly to a robotic camera rig over a massive distance.

  • Wired Ethernet RTSP Pass-Through: The built-in network terminal supports local IP pass-through. It allows you to execute direct RTSP network pull and push streams across the local network backend—perfect for quick live-streaming applications or remote monitoring setups.

  • Hardware Wireless Tally Output: Features a dedicated 3-segment 3.5mm TALLY interface port. When connected to the base switcher, it drives a physical camera tally light to visually notify on-camera talent and operators which camera angle is currently "live" or "cued."

Technical Specifications Matrix

Feature Specification
System Role Expansion Transmitter (TX) Node for Syscom 421 / 421S Ecosystem
Max Transmission Distance Up to 1,800 Feet (550 Meters) Line-of-Sight (LOS)
Signal Latency Window Minimal 0.07 Seconds (70ms) processing speed
Wireless Core Carrier High-Frequency 5.1 GHz to 5.9 GHz Spectrum
Channel Bandwidth 40 MHz Data Highway
Video Format Handling 1080p, 1080i, and 720p at 60/50/30/25/24 fps
Power Infrastructure Sockets Fixed L-Series (NP-F) Battery Plate or 2-Pin LEMO (7–36V DC)
Total Hardware Power Draw Efficient operational curve drawing less than 12 Watts
Chassis Composition & Weight Heavy-Duty Industrial Metal / Approx. 431.5 grams (15.2 oz)

Power Infrastructure & Rigging Safety

The unit is housed in a rugged, heat-dissipating aluminum alloy frame and is engineered for continuous broadcast reliability. It features a dual-power design: a rear-mounted Sony NP-F (L-series) battery slot for handheld or roving setups, and a lockable 2-Pin LEMO barrel input supporting a wide input range (7V to 36V). This allows it to safely draw continuous power from a cinema camera's V-mount or Gold-mount battery D-Tap distributor block.

The bottom and side panels feature separate reinforced 1/4"-20 and 3/8"-16 female mounting threads. This ensures stable attachment to articulated magic arms, directors' cages, and heavy production camera top-plates without twisting or working loose during rapid pans.

⚠️ System Compatibility Boundary: This standalone transmitter does not include a wireless receiver in the box and cannot link to standard consumer-grade Hollyland Mars or Pyro receivers. It is purpose-built strictly to pair with the multi-channel Syscom 421 / 421S Receiver Base Hub. Up to four of these transmitters can sync to a single hub to deliver clean multi-cam monitoring straight to your main production video switcher.

Shipping Notes
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SKU: 15287199103

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4.3 ★★★★★
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Honorific Tails
Draper, US
★★★★★ 3
Cheese the Day with Nylabone's Power Chew Cheese Chew Toy!
Size: X-Large, Color: Cheese
As a devoted dog parent, I've always believed that our furry friends deserve the best, especially when it comes to their favorite pastime—chewing! Nylabone's Power Chew Cheese Chew Toy is a game-changer that's added an extra layer of excitement to our dog's chewing routine. **Chew-Tastic Design:** First things first, the cheese-inspired shape of this chew toy is a hit in our household. Our dog can't resist its quirky design, and it's become a beloved addition to his chew toy collection. It's like a fun surprise every time he reaches for it! **Flavor Pockets for Fun:** What truly sets this chew toy apart is its flavor pockets. We fill them with spreadable treats, turning regular chew time into an epic adventure. Our dog absolutely loves the challenge of getting every last bit of treat, and it keeps him engaged for hours. **Dental Health Bonus:** Beyond the fun factor, the unique textures on this toy serve a dual purpose. Not only do they provide extra sensory enjoyment for our pup, but they also help clean his teeth as he chews. It's a win-win for both entertainment and dental health. **Built to Last:** Now, let's talk durability. Our dog is a power chewer, and this toy has proven to be up to the challenge. Made from Nylabone's most robust material, it's stood the test of time, promoting healthy chewing habits and saving our furniture from destruction. **Satisfaction All Around:** This chew toy isn't just for our dog's enjoyment; it brings joy to our family too. Seeing our furry friend so engaged and happy is priceless. It satisfies his natural urge to chew while teaching him healthy chewing habits. **A Flavorful Experience:** Did I mention the cheese flavor? It runs throughout the toy, adding another layer of enjoyment for our pup. It's like a delicious treat that never ends! **Perfect for Big Dogs:** As the proud parent of an extra-large dog, we opted for the "Souper" size, designed for dogs over 50 pounds. It's the perfect size for our gentle giant. In conclusion, Nylabone's Power Chew Cheese Chew Toy has become an integral part of our dog's life. It's more than just a chew toy; it's an adventure, a dental health solution, and hours of entertainment all rolled into one. We've embraced the mantra of "Cheese the Day" with this fantastic chew toy, and we wholeheartedly recommend it to fellow dog parents looking to add more joy and flair to their furry friend's life!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2023
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Verified Purchase
Danielle L Dykhouse
Lexington, US
★★★★★ 5
Dog approved.
Size: X-Large, Color: Cheese
I’m a 70 lbs Goldendoodle (supposed to be 65, don’t ask) and I love cheese. Real cheese. Sharp cheddar with sourdough bread is my dream, but apparently I’m “on a health journey,” so my people bought me this instead. Does this bone actually taste like cheese? No. I am not fooled. Do I still enjoy chewing it loudly while my humans are trying to watch TV? Absolutely yes. This bone satisfies my need to chew and my emotional desire for cheese-adjacent activities. It keeps me busy, saves the furniture, and lets me crunch dramatically during important dialogue scenes. The yellow color is nice — very cheese-coded — although some cheeses are white, so just something to consider for future versions. Also, good news: it doesn’t smell like cheese at all, which my humans seem very grateful for. Apparently they don’t want the carpet to smell like a deli. Weird. Final verdict: Not cheese. Still enjoyable. Would chew again. ~Barley
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
D
Verified Purchase
Dez F.
Carnegie, US
★★★★★ 5
A Humorous Twist on Tough Dog Toys!
Size: Large, Color: Lobster 3 Pack
I recently purchased the Nylabone Power Chew Dog Toy Pack for Aggressive Chewers from Amazon, and I must say, these toys have been a hilarious hit with my furry friend. As a dog parent of a strong and determined chewer, finding toys that can withstand their chewing prowess is a top priority, and these toys deliver both durability and a touch of humor. The pack consists of three large/giant-sized toys in the shape of a lobster, cheese, and broccoli. The unique and amusing design puts a smile on my face every time I see my dog interacting with them. The unexpected twist brings a playful element to our daily playtime sessions, making it a fun and engaging experience for both of us. When it comes to durability, these toys excel. My dog can be quite aggressive with their chewing, and I've struggled to find toys that can withstand their powerful jaws. However, the Nylabone Power Chew toys have proven to be impressively tough and durable. Despite rigorous chew sessions, these toys have remained intact, with no signs of wear or damage. They provide a reliable outlet for my dog's chewing instincts without the risk of shredding or ingesting any harmful materials. The textured surfaces of these toys add an extra layer of interest for my dog. The ridges and raised bumps provide sensory stimulation, promoting healthy oral hygiene and helping to clean teeth and gums as they chew. I appreciate the added dental benefits these toys offer, as it helps maintain my dog's dental health while they engage in play. I also appreciate the size options available in this pack. Large and giant-sized dogs often require bigger toys to accommodate their larger mouths and chewing strength. The included toys are appropriately sized for larger breeds, ensuring a comfortable grip and maximum enjoyment during play sessions. As a bonus, these toys are made from high-quality, non-toxic materials, so I have peace of mind knowing that my dog can safely interact with them. Safety is a top priority for me, and Nylabone consistently delivers in that regard. In conclusion, if you have an aggressive chewer and are in search of durable, funny, and engaging dog toys, the Nylabone Power Chew Dog Toy Pack is a fantastic choice. These toys provide hours of entertaining play, withstand even the most determined chewers, and offer dental benefits. Embrace the humorous twist and enjoy watching your furry friend engage in safe and engaging play with these fantastic toys. Invest in the Nylabone Power Chew Dog Toy Pack today and let the lobsters, cheese, and broccoli bring laughter and durability to your dog's playtime!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2023
K
Verified Purchase
Kirstyn Shearer
Draper, US
★★★★★ 5
Solid win for any chewing pup!
Size: Small, Color: Broccoli 3 Pack, Size: Small, Color: Broccoli 3 Pack
My pup loves them! Long lasting plus health benefits for his teeth, 10/10 would recommend 💖
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
S
Verified Purchase
Stef
Phoenix, US
★★★★★ 5
Shark dog approved
Size: Large, Color: Broccoli, Size: Large, Color: Broccoli
My new baby shark.... I mean puppy really enjoys chewing. I can't just give her a ton of pig ears or bully sticks all day, which she would definitely love, so I'm constantly looking for well made chew toys. I'd put this right up with Kong. Very durable and nice. I also love the different textures, she seems to also love it. She can gnaw at the top and chew on the stem. She wanted it as soon as I opened it - it does smell like bacon but I haven't taken a chomp at it to be able to write a complete review! My dog is about 23 lbs but I can see a 80 lb dog chew this, it's not small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2025

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