The Zeevee Pro 810-NA is a high-quality RF modulator designed for TV and video systems. With one channel of QAM capability, this modulator allows for the conversion of digital signals to RF for compatibility with older TVs. It features a coaxial F female connector for easy setup with your existing TV setup, as well as inputs for HDMI and 1/8” stereo audio for convenience. This unit from Zeevee is a reliable and efficient solution for accessing digital channels on older TVs.