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Hollyland Syscom 421S 1x4 Wireless SDI HDMI Video Distribution System

Hollyland Syscom 421S 1x4 Wireless SDI HDMI Video Distribution System

SoundPro Item: 132695 | Part Number: HL-Syscom 421S

Regular price $6,599.00
Regular price $6,599.00 Sale price $6,599.00
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MSRP: $6,599.00 | MAP: $6,599.00

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  • Synchronized Four-Channel Output Enables Simultaneous Monitoring Across Multiple Stations
  • 1,800-Foot Transmission Range Supports Large Venue Coverage Without Repeaters
  • Dual SDI And HDMI Connectivity Accommodates Mixed Equipment Configurations
  • RS485 And RS422 Passthrough Provides PTZ Camera Control Over Wireless Link
  • Integrated Tally System Coordinates Multi-Camera Switching Operations
  • Ethernet Passthrough Delivers Network Access To Remote Cameras
  • RTSP Streaming Output Supports IP-Based Monitoring And Recording

The Hollyland Syscom 421S is engineered for multi-camera live production workflows that demand reliable wireless video distribution across extended venues. With one transmitter feeding four independent receiver outputs simultaneously, production teams can monitor and route 1080p signals to switchers, monitors, and recording devices without cable runs up to 1,800 feet. The 0.07-second latency ensures tight synchronization between camera operators and technical directors during fast-paced events.

RS485 and RS422 interfaces enable direct PTZ camera control through the wireless link, while integrated tally light support keeps camera operators informed of program and preview status. The system's LAN port provides Ethernet passthrough from receiver to transmitters, enabling network-based camera configuration and RTSP streaming without additional cabling. Scalability to four simultaneous systems supports complex productions requiring up to sixteen wireless camera feeds.

Designed for broadcast crews, event production companies, and house-of-worship technical teams, the Syscom 421S replaces long SDI cable runs in sports venues, concert halls, conference centers, and ceremony locations where cable management is impractical or impossible. Dual SDI and HDMI connectivity on both transmitter and receiver accommodates mixed equipment ecosystems common in rental inventory and installed systems.

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Specifications

Performance
Transmission Range
1,800' (550m)
Latency
0.07s
Frequency Range
5.1–5.9 GHz
Bandwidth
40 MHz
Video
Maximum Resolution
1080p60
Supported HDMI Formats
480p60, 576p50, 720p50/60, 1080i50/60, 1080p24/25/30/50/60
Supported SDI Formats
720p50/60, 1080i50/60, 1080p24/25/30/50/60
Connectivity
Transmitter SDI Input
1 x BNC Female
Transmitter HDMI Input
1 x Type A Female
Receiver SDI Outputs
4 x BNC Female
Receiver HDMI Outputs
4 x Type A Female
Control Interfaces
RS485, RS422, LAN
Tally Output
3.5mm
Antenna Connectors
RP-SMA Male
Electrical
Transmitter Power Supply
7–36V DC
Receiver Power Supply
18–36V DC
Transmitter Power Consumption
<12W
Receiver Power Consumption
<32W
Transmitter TX Power
22 dBm Maximum
Receiver RX Sensitivity
-90 dBm
Dimensions
Transmitter (L x W x H)
3.5" x 1.2" x 5.7" (88mm x 30mm x 144mm)
Receiver (L x W x H)
5.8" x 2.4" x 9.5" (148mm x 62mm x 242mm)
Weight
Transmitter
15.2 oz (431.5g)
Receiver
57.2 oz (1621g)
Included Items
Transmitters
4
Receiver
1
5GHz Antennas
25
7-Inch Magic Arms
4
OTG Cable
1
DC Conversion Cables
4
RS485/RS422 Interface Cables
5
Power Adapter
1
User Manual
1

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