Atlona AT-OMNI-121 Networked AV Decoder

Atlona AT-OMNI-121 Networked AV Decoder

The Atlona AT-OMNI-121 is a networked AV decoder that supports HDMI output up to 4K/60 4:4:4 with HDR and embedded audio. Designed for modern AV-over-IP systems, it delivers outstanding visual performance, ultra-low latency, and reliable operation over Gigabit Ethernet networks. With advanced VCx codec technology, the OMNI-121 ensures artifact-free reproduction of computer-generated content and fast-motion video while maintaining true-to-source image fidelity.

Engineered for flexibility, the OMNI-121 supports audio embedding and de-embedding, RS-232 and IR control pass-through, and AES-128 content decryption. It includes integrated video wall processing, multiview capabilities for up to four streams, and secure network operation with IEEE 802.1x authentication. Ideal for enterprise AV systems, classrooms, conference rooms, and performance venues, the OMNI-121 combines exceptional performance, network security, and easy integration through Velocity Device Manager for centralized configuration and management.

Key Features

• Decodes HDMI video up to 4K/60 4:4:4 with HDR support
• Advanced VCx codec ensures artifact-free visuals with less than one frame of latency
• Supports HDR10, HLG, and Dolby Vision formats
• Integrated video wall and multiview window processing for up to four streams
• Ultra-fast switching between 4K/60 video streams
• Audio embedding and de-embedding with analog and digital outputs
• Networked AV redundancy with automatic failover protection
• AES-128 decryption for secure content distribution
• EDID and HDCP 2.2 management for reliable system compatibility
• PoE-powered or locally powered via external 48V DC supply
• Compact half-width rack enclosure with front-to-back cooling

Technical Specifications

• Video Output: HDMI (Type A, locking)
• Maximum Resolution: 3840×2160 (UHD) @ 60 Hz, 4:4:4
• Color Depth: 8-, 10-, and 12-bit
• Chroma Subsampling: 4:4:4, 4:2:2, 4:2:0
• HDR Support: HDR10, HLG, Dolby Vision
• Compression Formats: VCx and VC-2 (SMPTE-2042)
• Latency: Less than 8 ms typical, under 24 ms in fast switching mode
• Bit Rate: Up to 900 Mbps configurable
• Audio Pass-through: LPCM 2.0/5.1/7.1, Dolby Digital, Dolby Atmos, DTS-HD Master Audio, DTS:X
• Audio Downmixing: Multichannel PCM to 2-channel PCM
• Analog Audio Output: Balanced +4 dBu nominal gain, 20 Hz–20 kHz response, >90 dB SNR
• Video Wall Processing: Up to 16×16 at 4K/30, 2×2 at 4K/60
• Multiview: Displays up to four 1080p streams simultaneously
• Encryption: AES-128
• Authentication: IEEE 802.1x (PEAP/MSCHAPv2 or EAP-TLS)
• Protocols: RTP, AES67, IGMPv2/v3 multicast
• Control Interfaces: RS-232, IR, CEC, and TCP/IP proxy
• Network Interface: 1 × RJ45 (10/100/1000 Mbps)
• Management: HTTPS, SSH, Telnet, WebSockets with TLS
• Indicators: Power (tri-color), Link (bi-color), ID button
• Power Options: PoE (IEEE 802.3af) or 48V DC external supply
• Power Consumption: Up to 12 W (24 W with analog audio)
• Cooling System: Front-to-rear airflow with automatic fan control
• Operating Temperature: +14 to +122°F (−10 to +50°C)
• Storage Temperature: +14 to +140°F (−10 to +60°C)
• Operating Humidity: 20% to 95%, non-condensing
• Dimensions (H × W × D): 1.34 × 8.19 × 4.41 in (34 × 208 × 112 mm)
• Weight: 1.5 lb (0.7 kg)
• Certifications: CE, FCC, CB, RoHS
• Compliance: NDAA-899, TAA