Hollyland Pyro S-TX Wireless Video Transmitter

Hollyland Pyro S-TX Wireless Video Transmitter – HDMI & SDI I/O, connects to up to 4 receivers and reaches up to 400m

The Hollyland Pyro S-TX is a wireless video transmitter designed for professional and near-professional production workflows. It supports both HDMI and SDI input/output, transmits to as many as four receivers at once, and provides a range of up to 400m (1,300 ft) with minimal latency down to 50 ms. The unit uses Auto Dual-Band Hopping (ADH) technology and selectable transmission modes to match real-world shooting needs.

Key features

1. 1 Transmitter to 4 Receivers — one transmitter can stream to four receivers simultaneously for multi-user monitoring.
2. Up to 1,300 ft (400 m) — designed for long-distance wireless monitoring in many shooting environments.
3. 0.05 s Low Latency — minimal latency helps when near-real-time monitoring is required.
4. 2.4 GHz & 5 GHz Dual Band — supports both frequency bands for improved flexibility and performance.
5. Auto Frequency Hopping — automatically scans and selects clearer channels to reduce interference.
6. HDMI & SDI — compatible with common professional video connections on both transmitter and receiver.
7. Multiple Power Supply Options — accepts NP-F batteries or DC power input for flexible power choices.
8. UVC Streaming — plug-and-play USB video class streaming for compatibility with computers without extra drivers.
9. 4K30 Transmission — supports 4K at 30 fps transmission for higher-resolution monitoring.
10. Ready Out of the Box — preset grouping and pairing simplify setup and save time on set.

Four receivers for flexible monitoring

Pyro S uses WifiBroadcast technology to let one transmitter connect to up to four receivers with stable signals. This setup gives production teams more flexibility when multiple crew members or clients need live monitoring during a shoot.

Range, latency and transmission stability

Pyro S combines self-developed dual-band technology (2.4 GHz and 5 GHz) with upgraded chips and optimized encoding/decoding algorithms. As a result, it achieves a transmission range up to 1,300 ft (400 m) while maintaining latency as low as 50 ms. The system aims to extend range without sacrificing image quality or adding significant delay.

Two selectable transmission modes

You can choose the operating mode that best fits your shoot:

• Smooth Mode: Dynamically adjusts bitrate to achieve the lowest possible latency, targeting the 50 ms benchmark for ultra-long-distance transmission.
• HD Mode: Focuses on image quality. HD Mode maintains a stable bitrate of 8–12 Mbps even at the maximum range of 1,300 ft (400 m) to preserve clear visuals.

Auto Dual-Band Hopping (ADH) and antenna design

ADH enables operation across both 2.4 GHz and 5 GHz bands with intelligent auto frequency hopping. The transmitter continuously scans and monitors signal strength and interference across frequency ranges, selecting the clearest channel automatically. Omnidirectional high-gain antennas help provide stable signal coverage in all directions to reduce the risk of video drops.

HDMI and SDI input/output

Pyro S is built to fit professional workflows. The transmitter provides one HDMI input and one SDI input, while the receiver offers one SDI output and one HDMI output, making the system suitable for both broadcast-style cameras and cinema setups.

Streaming options: UVC and RTMP

UVC streaming lets the unit connect to computers in a plug-and-play manner without capture cards or additional drivers, which simplifies setups for live streaming or conferencing. RTMP support allows direct streaming to platforms such as Zoom, YouTube Live, Twitch, and TikTok Live by entering a stream key and connecting a network card. These features streamline live broadcast and remote monitoring workflows.

Smart channel scan and easy setup

At startup, Pyro S automatically selects a high-quality frequency channel. The receiver can run a smart channel scan to display real-time frequency status. Additionally, preset grouping and pairing remove the need for repetitive manual setup, helping crews save time when changing configurations or redeploying equipment.

Design, cooling and display

The Pyro S shell is made from aerospace-grade magnesium-aluminum alloy, which the manufacturer states is more robust, offers better heat dissipation, and is 30% lighter compared with aluminum-only designs. An efficient cooling system with three fan modes (Auto, Low Speed, Off) helps regulate device temperature and prevent overheating during extended operation. Both transmitter and receiver include an LCD display that shows status information such as battery level, current group, transmission resolution, frame rate, and channel.

Power options

Each unit supports power from either NP-F batteries or a DC power source. The transmitter accepts DC input via a 2.0 mm core socket and supports a DC input voltage range listed in the specifications below.

Specifications

In the box

• Pyro S Wireless Video Transmitter ×1
• Pyro S Wireless Video Receiver ×1
• Paddle Antenna (2.4 GHz & 5 GHz) ×7
• Rotatable Cold Shoe Mount ×1
• USB-C OTG Adapter ×1
• User Manual ×1
• Packing List Card ×1
• Warranty Card ×1
• 12V/2A DC Power Adapter ×1
• Compliance Information ×1
• Hollyland Ecosystem Leaflet ×1

FAQ

Question: How many receivers can the Pyro S transmitter connect to at the same time?
Answer: One transmitter can connect to up to four receivers simultaneously, allowing multiple monitors or crew members to view the same feed in real time.

Question: What is the effective range and latency I can expect?
Answer: The system supports transmission up to 1,300 ft (400 m) and can achieve latency as low as 50 ms. Actual performance depends on environment and interference levels.

Question: Which video connections are supported on the transmitter and receiver?
Answer: The transmitter features one HDMI input and one SDI input. The receiver provides one SDI output and one HDMI output, covering common professional interfaces.

Question: Can I stream directly to online platforms or connect to a computer?
Answer: Yes. Pyro S supports UVC streaming for plug-and-play compatibility with computers and RTMP streaming for direct transmission to platforms such as YouTube Live, Twitch, and other services by entering a stream key.

Question: What power options are available for on-set use?
Answer: Each unit supports NP-F battery power or DC input. The transmitter accepts DC via a 2.0 mm core socket and a documented DC voltage range is provided in the specifications.

Question: How does Pyro S handle crowded frequency environments?
Answer: Pyro S uses Auto Dual-Band Hopping (ADH) across 2.4 GHz and 5 GHz bands plus Auto Frequency Hopping. It automatically scans for the clearest channel and the omnidirectional high-gain antennas help maintain stable signals in multiple directions.

Question: Is the unit ready to use quickly on set?
Answer: Yes. The product supports preset grouping and pairing to reduce repetitive manual setup. It also performs an automatic channel scan at startup to choose a high-quality frequency, and the LCD provides clear status information for faster configuration.