Hollyland Syscom 421S Professional Wireless Video Transmission System 4-TX-to-1-RX Multicast
Unlock the full potential of your live video productions with the Hollyland Syscom 421S. Its impressive 1,800ft (550m) transmission range and ultra-low latency of only 0.07 seconds let you monitor multiple camera feeds with zero lag. This system ensures your broadcasts flow smoothly and professionally, whether you’re filming a wedding, a concert, or a corporate event.
Robust Multi-Camera Support
Why limit yourself to one camera? With support for up to 4 transmitters on a single receiver using the same RF channel, the Syscom 421S offers synchronized audio and video transmission for multi-camera setups. This feature, combined with support for wireless tally lights, helps you achieve the highest production quality effortlessly.
Flexible Connectivity for Pro Control
The system includes 1 SDI and 1 HDMI input on each transmitter, along with 4 SDI and 4 HDMI outputs on the receiver. Control your PTZ cameras and switchers easily through RS485 and RS422 interfaces. Additionally, the LAN connection offers wired networking options for more reliable control and integration.
Versatile for Any Event
The Hollyland Syscom 421S is built for a range of uses. Whether it’s a sporting event, church service, or music concert, this system can scale by combining up to 4 units simultaneously for up to 16 transmitters. It truly adapts to your production size while maintaining professional-grade performance.
Key Features
- Supports 1 receiver with up to 4 transmitters
- 1,800ft (550m) transmission distance
- Ultra-low latency of 0.07s for real-time video feed
- 4 pairs of SDI and HDMI outputs on the receiver
- Supports RS-422 and RS-485 connections
- Supports wireless tally feature
- Auto channel scan on the receiver






