Atlona AT-OME-SR21 2x1 AV Switcher and HDBaseT Receiver with Scaler, HDMI Input, and USB Hub

The Atlona AT-OME-SR21 is a 2×1 AV switcher, HDBaseT receiver, and 4K/UHD scaler with integrated USB 2.0 extension and hub functionality. As part of the Omega™ Series, it provides a versatile and professional AV solution designed for conferencing, presentation, and hybrid meeting environments. Supporting both HDMI and HDBaseT inputs, the OME-SR21 delivers exceptional flexibility for installations requiring long-distance signal transmission, USB peripheral extension, and display control.

The OME-SR21 extends video, audio, Ethernet, control, and USB up to 330 feet (100 meters) over a single category cable, supporting 4K/60 4:2:0 over HDBaseT and 4K/60 4:4:4 via HDMI. The built-in USB hub enables seamless connectivity between remote computers and peripherals such as cameras, microphones, or interactive displays—making it ideal for software-based video conferencing systems. With integrated scaling, audio de-embedding, relays for automation, and dual Ethernet ports, the OME-SR21 streamlines AV integration in conference rooms, classrooms, and other professional environments.

Key Features

• HDBaseT Receiver with USB Extension: Receives HDMI video, audio, Ethernet, control, power, and USB 2.0 up to 330 ft (100 m) over a single category cable.
• USB Hub Functionality: Includes one USB Type-B host port and two USB Type-A ports for peripherals like cameras, soundbars, and touch displays.
• 2x1 AV Switching: Automatically switches between HDMI and HDBaseT sources for flexible, automated system operation.
• 4K/UHD Scaling: Upscales and downscales video up to 4096×2160 @ 60 Hz with frame rate conversion.
• Audio De-Embedding: Extracts 2-channel PCM audio to a balanced analog output with adjustable EQ, volume, and mute control.
• Automatic Display Control: Powers displays on/off via IP, RS-232, or CEC based on signal presence or standby state.
• Dual Ethernet Ports: Built-in network switch simplifies control and connectivity to AV LANs and external devices.
• Relay Control: Two relays allow control of screens, lifts, or shades without an external control system.
• Velocity Device Manager Support: Centralized configuration, monitoring, and firmware updates via network.

Technical Specifications

• Video Inputs: 1 × HDMI (Type A), 1 × HDBaseT (RJ45)
• Video Output: 1 × HDMI (Type A)
• Maximum Resolution: 4096×2160 @ 60 Hz (HDMI 4:4:4), 4K/60 4:2:0 (HDBaseT)
• Color Depth: 8-, 10-, and 12-bit; YUV and RGB color spaces
• Scaling: 4K/60 upscaling and downscaling with frame rate conversion
• Audio Output: 1 × 5-pin captive screw (balanced/unbalanced 2-channel stereo)
• Audio Formats: PCM 2.0, LPCM 5.1/7.1, Dolby Digital, Dolby Atmos, DTS-HD Master Audio, DTS:X
• Audio Performance: 20 Hz–20 kHz (±0.5 dB), THD+N < 0.03%, SNR > 90 dB, Channel separation > 90 dB
• USB Connectivity: 1 × USB Type-B (host), 2 × USB Type-A (peripherals)
• USB Data Rate: Up to 120 Mbps
• Control Interfaces: RS-232, CEC, IP, Relay (48V@1A)
• Network: 2 × RJ45 (100Base-T Ethernet ports with internal switch)
• Power Supply: Input: 100–240 VAC, Output: 24 VDC / 2.7 A
• Power Consumption: 17.6 W
• Operating Temperature: 32–122°F (0–50°C)
• Dimensions (H×W×D): 1.02 × 8.62 × 5.98 in (26 × 219 × 152 mm)
• Weight: 1.96 lb (0.89 kg)
• Certifications: CE, FCC, UL