The PremiumCord HDMI Splitter Extender is a professional audio-video distribution device designed for reliable signal transmission over extended distances. This black metal housing unit functions both as a 1x2 HDMI splitter and as an extender, supporting Full HD 1080p resolution at 60 Hz with 3D compatibility and HDCP compliance. The system utilizes CAT6, CAT6a, or CAT7 patch cables for signal transmission up to 50 meters while maintaining video quality, making it suitable for conference rooms, home theaters, and digital signage installations. Constructed with a durable metal casing measuring approximately 12 cm x 8 cm x 2.5 cm and weighing 450 g, this device ensures stable operation and effective heat dissipation. The package includes a special power supply measuring 10 cm x 5 cm x 3 cm with regional plug compatibility. This HDMI splitter extender supports various video formats including 1080p, 1080i, 720p, and 576p with a color depth of up to 36 bits, as well as audio formats including Dolby Digital, DTS, and LPCM. The device features automatic signal equalization and cable length compensation to maintain signal integrity across different cable types and distances. Connection interfaces include one HDMI input port, two HDMI output ports, and two RJ45 Ethernet ports for CAT cable connections. The operating temperature range is from 0 °C to 40 °C with storage temperatures from -20 °C to 60 °C. The metal construction provides electromagnetic interference shielding and long-term reliability for continuous operation in both professional and residential environments. This product is compatible with most HDMI-enabled devices including gaming consoles, media players, computers, and displays, serving as a practical solution for extending and distributing high-resolution audio-video signals across multiple locations.