1、VERSATILE INPUT AND OUTPUT: The RF modulator features three CVBS inputs, allowing you to connect your streaming media player, such as satellite set top boxes, cable TV boxes, gaming consoles, DVD players, VCR, STB, cameras, or other AV sources simultaneously outputting to 3 different TV channels. 2、SIGNAL CONVERSION: The RF converter modulator can convert composite video and analog stereo sound signals into RF (Coaxial) for older TVs without line level AV jacks. Both sound volume and video brightness are adjustable as per your preference. 3、PLUG AND PLAY: This powerful TV modulator supports the NTSC TV format and up to 136 full bands channels for UHF frequency. It features 4 modulated TV channels, channel digital display, and optional switch. This device requires no drivers or adapters, providing a plug and play experience. 4、F TYPE COAXIAL INPUT AND OUTPUT: Fitted with an F type female coaxial input for connecting antennas, HDTV tuners, satellite set top boxes, or cable TV boxes. A separate RF coaxial output is also present for connecting to your TV or RF splitter, for extending your analog signals to other TVs. It also includes a channel switch to avoid interfering with existing players like VCR. 5、EXTENSIVE COMPATIBILITY: This home RF modulator is compatible with TV boxes and other sound and video sources. It functions as a UHF modulator with PAL NTSC support. This device features button digital programming for the modulated channels and is compatible with DA-8200 and DA-550 series distribution modulators. Item Type: RE Modulator Material: Metal + Plastic TV Standard: PAL NTSC (A B C settings are the same) Channel Range UHF: TV + CATV Operating Frequency: 470MHz to 868MHz A V Connectors: female RF Input RF Output: F female Output Level: 85±5dBuV RF Output Channels: A input channel + B input channel + C input channel (channels cannot be the same, must be separated by at least one channel) Stereo Systems: M = 4.5MHz, B G = 5.5MHz, I = 6.0MHz, D K = 6.5MHz 1 x Modulator 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-XXzhou store 3