Hollyland Pyro Ultra 4K HDMI/SDI Wireless Video Transmission System, 1 TX/2 RX

Hollyland Pyro Ultra 4K HDMI/SDI Wireless Video Transmission System, 1 TX/2 RX

The Hollyland Pyro Ultra 4K HDMI/SDI Dual Receiver System is a professional wireless video transmission kit with one transmitter and two receivers. It supports true UHD 4K60 HDMI transmission, HDMI and SDI connectivity, long-range line-of-sight operation, and Focus Mode latency as low as 20 ms for responsive production monitoring.

Built for camera crews, live production teams, broadcast operators, and multi-monitor video village workflows, the Pyro Ultra 1TX/2RX kit distributes video without long cable runs. It is ideal for buyers who need a 4K wireless video transmitter and dual receiver set, an HDMI SDI video transmission system, or a low-latency monitoring kit for professional production.

Hollyland’s proprietary TWiFi technology combines 2.4 GHz and 5 GHz transmission with automatic frequency hopping for stable performance in crowded RF environments. The system supports UVC and RTMP streaming, integrates with compatible Pyro ecosystem devices, and lets receivers adapt output resolution to downstream displays for flexible on-set monitoring.

Key Features

• Dual Receiver Kit: Includes one Pyro Ultra transmitter and two Pyro Ultra receivers for expanded monitoring setups.
• 4K60 Wireless Video: Supports true UHD 4K60 HDMI transmission for detailed production monitoring.
• HDMI and SDI Connectivity: Provides HDMI 2.0 and 3G-SDI input/output options for cameras, monitors, switchers, and production gear.
• Long-Range Operation: Delivers up to 4,900 ft line-of-sight range in non-broadcast mode and up to 2,300 ft in Broadcast Mode.
• Focus Mode Latency: Reduces latency to as low as 20 ms under supported 1080p25/30 Focus Mode conditions.
• TWiFi Transmission: Uses Hollyland’s proprietary dual-band codec technology with automatic frequency hopping.
• Streaming Support: Supports UVC capture up to 4K60 and RTMP streaming up to 1080p60.
• Adaptive Output Resolution: Receivers automatically adapt output resolution to match connected downstream devices.

Technical Specifications

• Brand: Hollyland
• Model: Pyro Ultra 1TX & 2RX
• Manufacturer Part Number: HL-PYRO ULTRA 1TX 2RX
• Product Type: Wireless video transmission system
• System Configuration: 1 transmitter and 2 receivers
• Transmission Technology: Proprietary TWiFi technology
• Maximum Resolution: UHD 4K60
• High Transmission Rate: 12 Mbps
• Maximum Line-of-Sight Range: Up to 4,900 ft in non-broadcast mode
• Broadcast Mode Range: Up to 2,300 ft
• Supported Receiver Scaling: Stable performance ensured with up to 20 receivers; additional connections may vary by environment
• Latency: Focus Mode minimum latency is ≥20 ms at 1080p25/30, ≥40 ms at 1080p60, and ≥45 ms at 4K60
• Operating Frequencies: 2.412-2.484 GHz; 5.150-5.250 GHz; 5.250-5.350 GHz; 5.470-5.725 GHz; 5.725-5.850 GHz
• Bandwidth: 20 MHz; 40 MHz in Broadcast Mode
• Transmitter HDMI Input: HDMI 2.0
• Transmitter HDMI Loopout: HDMI 2.0
• Transmitter SDI Input: 3G-SDI
• Transmitter USB-C: USB 2.0
• Transmitter Antenna Connector: SMA male connector
• Transmitter Power Input: 2.0 barrel DC input; battery power input 6.8-8.4V; DC power input 6-16V
• Transmitter Power Consumption: 11W non-broadcast mode; 14W broadcast mode
• Transmitter TX Power: <23 dBm
• Receiver HDMI Output: HDMI 2.0
• Receiver SDI Output: 3G-SDI
• Receiver USB-C: USB 3.0
• Receiver Antenna Connector: SMA male connector
• Receiver Power Input: 2.0 barrel DC input; battery power input 6.8-8.4V; DC power input 6-16V
• Receiver Power Consumption: 7W
• Receiver Sensitivity: -85 dBm non-broadcast mode; -80 dBm broadcast mode
• HDMI Video Formats: 720p50/59.94/60; 1080p23.98/24/25/29.97/30/50/59.94/60; 4K 3840 x 2160 at 23.98/24/25/29.97/30/50/59.94/60
• SDI Video Formats: 720p50/59.94/60; 1080i50/59.94/60; 1080p23.98/24/25/29.97/30/50/59.94/60
• Streaming Support: UVC and RTMP
• UVC Capture Resolution: Up to 4K60
• RTMP Streaming Resolution: Up to 1080p60
• Fallback Display: Freeze frame with custom image support
• Custom Image Requirement: 1920 x 1080 JPG, less than 1 MB, named logo.jpg
• Transmitter Weight: 0.71 lb
• Receiver Weight: 0.71 lb each
• Transmitter Dimensions: 4.90" L x 3.15" W x 1.37" H
• Receiver Dimensions: 4.90" L x 3.15" W x 1.37" H each

What's Included

• Pyro Ultra Transmitter: 1 unit
• Pyro Ultra Receiver: 2 units
• Easy-Install Short Antennas: 4 antennas
• Easy-Install Antennas: 8 antennas
• 12V/2A DC Power Adapter: 1 adapter
• USB-C OTG Adapter: 1 adapter
• Double Ball Head with Cold Shoe Mount: 1 mount
• D-Tap to Locking DC Power Cable: 1 cable