The Contemporary Research 232-ATSC 4 4 is a professional-grade HDTV tuner designed for integration into AV systems requiring reliable ATSC, QAM, and NTSC tuning. Ideal for commercial installations, it features RS-232 and IP control for seamless automation and system integration. With full 1080i output via HDMI and composite video outputs, this compact tuner fits in a single rack space and is perfect for digital signage, video distribution, or broadcast monitoring applications.