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Hollyland Syscom 421S 4-Transmitter 1800' A/V Transmission System

BH #HOSYSCOM421S • MFR #HL-SYSCOM421S
Hollyland Syscom 421S 4-Transmitter 1800' A/V Transmission System
Key Features
  • Multi-Cam Transmitter and Control System
  • 1080p60 Transmitter/Receiver 1800' Range
  • 4 x Transmitters to 1 x Receiver
  • SDI/HDMI Input and Output
The Syscom 421S 4-Transmitter 1800' A/V Transmission System with Carry Case from Hollyland is a multi-cam wireless video transmission system that communicates with up to four cameras using a single receiver with PTZ control as well as tally. Supporting up to 1080p60 video signals via SDI and HDMI, the transmitter/receiver system offers an 1800' line-of-sight transmission range with 0.07 second latency. The 421S system also supports Ethernet pass-through, so you can stream directly via RTSP to the Internet.
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Hollyland Syscom 421 Overview

By B&H Photo's

The Syscom 421S 4-Transmitter 1800' A/V Transmission System with Carry Case from Hollyland is a multi-cam wireless video transmission system that communicates with up to four cameras using a single receiver with PTZ control as well as tally. Supporting up to 1080p60 video signals via SDI and HDMI, the transmitter/receiver system offers an 1800' line-of-sight transmission range with 0.07 second latency. The 421S system also supports Ethernet pass-through, so you can stream directly via RTSP to the Internet.

The receiver features four SDI and four HDMI outputs (one for each transmitter) for connecting to a monitor or switcher. You can control PTZ cameras via IP or RS-422/485 serial connections. The transmitters have a dedicated tally output port that support optional tally lights. Both units also have an OLED display that confirms the resolution, transmission channel, signal strength, and other details such as battery power. Each transmitter has an L-series battery plate, and the receiver has a V-mount battery plate. Both Transmitters and receiver also feature a 2-pin power input for alternate DC power options.

Key Features
  • Up to 1080p60 transmitter/receiver system
  • 1800' line-of-sight transmission
  • SDI and HDMI input
  • SDI and HDMI output
  • Passes control and tally over LAN
  • OLED display
UPC: 191460002199

Hollyland Syscom 421 Specs

Key Specs
Video I/O
Transmitter: 1x HDMI Input
Transmitter: 1x BNC Input
Receiver: 4x HDMI Output
Receiver: 4x BNC Output
Embedded Audio
SDI
HDMI
Latency
< 0.07 sec
Video Format
HDMI
1080p: 60/50/30/25/24
1080i: 60/50
720p: 60/50
576p: 50
480p: 60
SDI
1080p: 60/50/30/25/24
1080i: 60/50
720p: 60/50
576p: 50
480p: 60
Battery Type
Transmitter: 1x L-Series
Receiver: 1x V-Mount
Power Consumption
Transmitter: 12 W
Receiver: 32 W
Mounting
1x 1/4"-20 Female
1x 3/8"-16 Female
Inputs / Outputs
Antenna I/O
Transmitter/Receiver: 4x RP-SMA Female
Video I/O
Transmitter: 1x HDMI Input
Transmitter: 1x BNC Input
Receiver: 4x HDMI Output
Receiver: 4x BNC Output
HDCP Support
Not Specified by Manufacturer
Embedded Audio
SDI
HDMI
Audio I/O
No
Power I/O
Transmitter/Receiver: 1x (Unspecified Type) 2-Pin (36 VDC) Input
Other I/O
Transmitter: 1x USB-C Input
Receiver: 1x USB-A Input
Transmitter/Receiver: 1x RJ45 (LAN) Input/Output
Transmitter/Receiver: 1x Proprietary (RS-422/RS-485) Input/Output
Wireless
Wireless Range
1800' / 548.64 m (Line-of-Sight)
Channel Bandwidth
40 MHz
Frequency Range
US: 5.1 to 5.9 GHz
Latency
< 0.07 sec
RF Power
≤ 22 dBm
RF Sensitivity
-90 dBm
Wi-Fi
Yes
Bluetooth
No
Cellular Support
No
Format Support
Video Format
HDMI
1080p: 60/50/30/25/24
1080i: 60/50
720p: 60/50
576p: 50
480p: 60
SDI
1080p: 60/50/30/25/24
1080i: 60/50
720p: 60/50
576p: 50
480p: 60
Audio Format
Not Specified by Manufacturer
Timecode Support
Yes
Power
DC Input Power
36 VDC
Battery Type
Transmitter: 1x L-Series
Receiver: 1x V-Mount
Power Consumption
Transmitter: 12 W
Receiver: 32 W
Mounting
Mounting
1x 1/4"-20 Female
1x 3/8"-16 Female
Environmental
Environmental Protection
No
General
Material of Construction
Metal
Dimensions
Transmitter: 5.7 x 3.5 x 1.2" / 144 x 88 x 30 mm
Receiver: 9.5 x 5.8 x 2.4" / 242 x 148 x 62 mm
Weight
Transmitter: 15.2 oz / 431.5 g, Including Antenna, Battery Plate
Receiver: 3.6 lb / 1621 g, Including Antenna, Battery Plate
Packaging Info
Package Weight
23.95 lb
Box Dimensions (LxWxH)
21.5 x 18.25 x 9.25"

Hollyland Syscom 421 Reviews

See any errors on this page? Let us know

I want to use this with 4 BlackMagic Studio 6k ...

I want to use this with 4 BlackMagic Studio 6k Pro cameras does the RJ45 port allow me to pass through tally and Talkback ?
Asked by: Christian
The Hollyland Syscom 421S 4-Transmitter 1800' A/V Transmission System does offer Tally however, it does not support talkback.
Answered by: Chris H
Date published: 2024-05-07

The manual states &quot;THE DEVICE IP IS 192.168.218.X ...

The manual states &quot;THE DEVICE IP IS 192.168.218.X NETWORK SEGMENT&quot;. Can that be changed? Or is it stuck on the factory subnet?
Asked by: Jared
No, according to the manufacturer, the IP address on the Hollyland Syscom 421S 4-Transmitter 1800' A/V Transmission System cannot be changed and will remain on the default setting.
Answered by: Marvin C
Date published: 2024-01-17
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