Hollyland Syscom 421 1800' Wireless Video/Audio Transmission System

SKU: HLYSYSCOM421 MFR: HL-SYSCOM 421
Earn VIP Reward Points

Key Features

  • Experience reliable video transmission with this Hollyland wireless system, up to 1800'.
  • Enjoy low latency (0.07s) for real-time monitoring, ensuring seamless broadcast quality.
  • Transmit HDMI/SDI video signals with embedded audio for professional-grade productions.
  • Set up quickly with included accessories; perfect for fast-paced filming environments.
  • Robust metal construction ensures durability, ideal for demanding on-location shoots.
  • Affordable wireless video solution with long range, perfect for diverse video applications.
See More Product Details
Special Order?Estimated to Ship: 09/04/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

2 Year

$189.99

3 Year

$219.99

4 Year

$279.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Hollyland Syscom 421 Specifications

Wireless

Wireless

Jump to...
  • Wireless Range

    1800' (600m) (Line-of-Sight)

  • Channel Bandwidth

    40 MHz

  • Frequency Range

    5 GHz

  • Latency

    0.07 sec (The lowest latency)

  • RF Power

    <= 22 dBm

  • RF Sensitivity

    -90 dBm

  • Wi-Fi

    Yes

  • Embedded Audio

    SDI
    HDMI

  • Video Format

    HDMI:
    1080p at 24, 25, 30, 50, 59.94, 60 fps
    1080i at 50, 60 fps
    720p at 50, 60 fps
    576p at 50 fps
    480p at 60 fps

    SDI:
    1080p at 24, 25, 30, 50, 60 fps
    1080i at 50, 60 fps
    720p at 50, 60 fps

  • Materials

    Metal

Transmitter: Interfaces

Jump to...
  • Antenna Ports

    4x RP-SMA Male

  • Video Connectors

    1x BNC (3G-SDI / HD-SDI) Input
    1 x HDMI Input

  • Other I/O

    1x USB Type-C
    1 x3-Segment 3.5mm TALLY Output
    1 xDC Power Input
    1 xRS485/RS422 Interface
    1 xLAN Interface

Transmitter: Display

Jump to...
  • Panel Type

    OLED

Transmitter: Power

Jump to...
  • Battery Support

    1x Sony L-Series / NP-F Type

  • Power Connector

    1x Barrel (7 to 36 VDC) Input

  • Power Consumption

    Device: (12 W)

Transmitter: General

Jump to...
  • Mounting

    1x 1/4"-20 Female
    2 x3/8"-16 Female

  • Dimensions

    3.46 x 1.18 x 5.67" (8.8x 3 x 14.4cm)

  • Weight

    15.22 oz (431.5g)

Receiver: Interfaces

Jump to...
  • Antenna Ports

    4x RP-SMA Male

  • Video Connectors

    4x BNC (3G-SDI) Output
    4 x HDMI Output

  • Other I/O

    1x USB Type-C
    1 xDC Power Input
    1 xRS485/RS422 Interface
    1 xLAN Interface

Receiver: Display

Jump to...
  • Panel Type

    TFT

Receiver: Power

Jump to...
  • Battery Support

    1x V-mount large capacity battery

  • Power Connector

    1x Barrel (18 to 36 VDC) Input

  • Power Consumption

    Device: (32 W)

Receiver: General

Jump to...
  • Mounting

    1x 1/4"-20 Female
    2 x3/8"-16 Female

  • Dimensions

    5.82 x 2.44 x 9.53" (14.8 x 6.2 x 24.2cm)

  • Weight

    3.57 lbs (1.62kg)

  • UPC Code

    191460000348

About Hollyland Syscom 421

The Syscom 421 1800' Wireless Video/Audio Transmission System is a high-performance solution for synchronized audio and video transmission. With the capacity to support up to four transmitters on the same RF channel, this system boasts a robust anti-interference capability, ensuring a seamless and uninterrupted transmission experience.

Designed specifically for live-streaming and multi-cam production setups, the Syscom 421 offers an impressively low latency of just 0.07 seconds. It also provides a reliable transmission range of up to 1800 feet, making it an ideal choice for large-scale productions.

Equipped with both SDI and HDMI inputs and outputs, each transmitter in this system comes with an SDI and HDMI input, along with four SDI and HDMI outputs on the receiver. This ensures a versatile and comprehensive connectivity solution for your production needs.

The Syscom 421 also supports RS485 / RS422 / LAN control, offering the convenience and feasibility to control PTZ cameras and switchers. This feature enhances the system's functionality and adaptability in various production environments.

With support for tally lights, the Syscom 421 enhances the production quality of multiple-camera setups. The system also supports RJ45 pinout, providing a standardized networking interface for Ethernet pass-through between the receiver and each transmitter, and enabling RTSP streaming.

The Syscom 421 is suitable for a wide range of applications. It can support up to four systems (16 transmitters) in one location, making it a versatile choice for various video production applications. Whether it's for weddings, sports events, music concerts, corporate meetings, church services, live streams, or other events of different sizes, the Syscom 421 1800' Wireless Video/Audio Transmission System delivers reliable and high-quality transmission performance.

Hollyland Syscom 421 Features

  • 1800ft Transmission Range
  • The lowest achievable latency is 0.07s
  • 5.1-5.9 GHz Frequency Band Width, Supports Frequency Configuration for Different Territories
  • Supports 4 SDI Input and HDMI Input, 4 SDI Output and HDMI Output
  • 4 Transmitters Use the Same Wireless Channel with Strong Anti-Interference Ability
  • Supports TALLY and RS485/RS422 Control
  • Support USB Firmware Upgrade Interface
  • Stable & Reliable Industrial Metal Case
  • With RJ45 Interface, Supports Network Pass Through between Transmitter and Receiver, and Achieves RTSP Pull and Push Streaming

Product Documents

User Manual

Key Features

  • Experience reliable video transmission with this Hollyland wireless system, up to 1800'.
  • Enjoy low latency (0.07s) for real-time monitoring, ensuring seamless broadcast quality.
  • Transmit HDMI/SDI video signals with embedded audio for professional-grade productions.
  • Set up quickly with included accessories; perfect for fast-paced filming environments.
  • Robust metal construction ensures durability, ideal for demanding on-location shoots.
  • Affordable wireless video solution with long range, perfect for diverse video applications.

What's in the box:

  • 4x Transmitter
  • Receiver
  • 25x 5GHz Antenna
  • 4x 7 " Magic Arm
  • OTG Cable
  • 4x DC Conversion Cable
  • 5x RS485/RS422 Interface Cable
  • Power Adapter
  • User Guide
  • Hollyland 1 Year Limited Warranty