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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
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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.
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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.
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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.
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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.
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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
- 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