Hollyland Syscom 421S Wireless Audio and Video Transmission System

• Four-channel wireless video transmission with up to 1,800 feet range
• 1080p60 HD video support with SDI and HDMI inputs/outputs
• Zero-latency transmission for real-time video and audio feedback
• Full-duplex wireless intercom for seamless communication between team members
• 1 transmitter to 4 receivers setup for multicamera and multi-location workflows
• Real-time Tally function for camera status indication
• Low-latency audio and video sync for professional live production
• Dual power options: DC power or V-Mount batteries for flexibility on location
• Robust metal construction for durability and heat dissipation
• OLED screen for system status and configuration

The Hollyland Syscom 421S offers a four-channel wireless video transmission system that supports up to four receivers for multicamera setups, making it ideal for live event production, broadcast, and multicamera film shoots. With the ability to transmit 1080p60 HD video signals wirelessly, it ensures that every shot is delivered with precision and clarity, even in complex production environments.

The system operates over a range of up to 1,800 feet (550 meters) with zero-latency transmission, allowing for real-time feedback and monitoring without delay. This is essential for productions where immediate communication and video monitoring are required, such as sports broadcasting, concerts, and outdoor film shoots.

The Syscom 421S features dual SDI and HDMI inputs and outputs, ensuring compatibility with a wide range of professional cameras and video equipment. This flexibility makes it easy to integrate into existing workflows, whether using DSLRs, broadcast cameras, or camcorders.

The full-duplex intercom capability allows seamless two-way communication between the production team, ensuring everyone can stay connected and coordinate efficiently. This is particularly useful in multi-camera setups or large live events, where constant communication between the director, camera operators, and other crew members is crucial.

The Tally function on the Syscom 421S provides a real-time indication of which cameras are live or recording, helping operators and crew stay organized during fast-paced productions. This function ensures that camera operators are aware of when their camera is on air, improving coordination in live broadcasts and multicamera setups.

The low-latency audio and video sync ensures that video and audio are perfectly aligned, which is essential for live broadcasts, sports coverage, and film productions where synchronization is critical. This feature helps deliver professional-quality output with no noticeable delays between the audio and video.

Built with a durable metal housing, the Syscom 421S is designed for long-term, professional use in rigorous production environments. It provides dual power options, allowing users to choose between DC power for continuous operation or V-Mount batteries for flexible, on-location shoots. This ensures that the system can operate in both studio settings and remote locations without interruption.

The transmitter and receivers come equipped with OLED screens that display key information such as signal strength, channel frequency, and battery status. This real-time monitoring allows operators to quickly configure settings and ensure optimal performance throughout the shoot.

The Hollyland Syscom 421S Wireless Audio and Video Transmission System is perfect for broadcast professionals, film crews, live event producers, and sports broadcasters who need a reliable, long-range video and audio transmission system. With its zero-latency transmission, multi-channel support, and full-duplex intercom, the Syscom 421S delivers seamless communication and high-quality video, making it an essential tool for multicamera productions, live broadcasts, and remote filming.

General:

• Product Type: Wireless Audio and Video Transmission System
• Model: Hollyland Syscom 421S
• Transmission Type: Full-duplex wireless audio and video transmission
• System Components: 1 transmitter, 4 receivers
• Maximum Transmission Range: Up to 1,800 feet (550 meters) line-of-sight

Video Transmission:

• Video Input/Output:
  • Transmitter: SDI and HDMI inputs
  • Receivers: SDI and HDMI outputs
• Maximum Video Resolution: 1080p at 60fps (Full HD)
• Video Format Support: 1080p, 1080i, 720p, etc.
• Latency: < 0.07 seconds (70ms) low-latency transmission
• Video Compression: H.264 for efficient data transmission

Audio Transmission:

• Audio Channels: Supports embedded audio in SDI and HDMI signals
• Audio Output: Embedded audio in the video stream for synchronized audio-video transmission

Frequency Band:

• Operating Frequency: 5 GHz (license-free band)
• Channel Selection: Automatic or manual channel selection for stable transmission in crowded environments

Power:

• Power Source:
  • Transmitter and Receivers: DC input (7-36V) via L-series battery plate, V-mount, or power adapter
• Power Consumption:
  • Transmitter: Approx. 12W
  • Receiver: Approx. 7W
• Battery Compatibility: NP-F series batteries for both transmitter and receiver (batteries not included)

Connectivity:

• Transmitter Input:
  • 1 x 3G-SDI input
  • 1 x HDMI input
• Receiver Output:
  • 1 x 3G-SDI output
  • 1 x HDMI output
• USB Port: For firmware updates
• Antennas: External high-gain antennas for long-range and stable signal transmission

Wireless Features:

• Signal Encryption: AES-128 encryption for secure video and audio transmission
• Multi-Casting: Transmit video from one transmitter to up to 4 receivers simultaneously
• Real-Time Monitoring: Receivers can display real-time video feed with embedded audio
• Intercom Feature: Built-in intercom functionality for communication between transmitter and receiver units

Physical:

• Transmitter Dimensions: 190 mm x 120 mm x 25 mm (7.48 inches x 4.72 inches x 0.98 inches)
• Receiver Dimensions: 140 mm x 85 mm x 25 mm (5.51 inches x 3.35 inches x 0.98 inches)
• Transmitter Weight: Approx. 380g (0.84 lbs)
• Receiver Weight: Approx. 240g (0.53 lbs)

Environmental Conditions:

• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Operating Humidity: 20% to 80% non-condensing

Included Accessories:

• 1 x Transmitter
• 4 x Receivers
• 5 x Antennas (for transmitter)
• 5 x Antennas (for each receiver)
• 1 x Power Adapter for Transmitter
• 4 x Power Adapters for Receivers
• 1 x USB-C Cable for firmware updates
• 1 x Intercom Headset (for communication between the transmitter and receivers)
• User Manual

Additional Features:

• Ultra-Low Latency: 70ms latency for near real-time video and audio transmission
• Multi-Camera Setup: Supports up to 4 receivers with one transmitter for multi-camera video distribution
• Intercom Communication: Integrated intercom system for on-set communication between the director and camera operators
• OLED Display: Shows signal strength, channel information, and battery status on both transmitter and receivers
• Fan Control: Quiet fans with automatic temperature-based speed adjustment