Feature: 1. Professional: Home modulator effectively adapts to your own local CATV system. Compact structure that does not take up too much space. 2. Wide Compatibility: This modulator is compatible with TV boxes and other sound and video sources, UHF modulator, with PAL, NTSC options. 3. Selectable Output Channels: Three TV sets can output three different TV channels at the same time, or one TV set can have three different channels to choose from. 4. Premium Material: TV modulator is made of metal and plastic materials, durable, not easy to damage, long service life. 5. Stable And Reliable: Professional multi modulator system with stable characteristics, high reliability, plug and play, easy to use. Specification: Item Type: Home Modulator Material: Metal, Plastic TV Standard: PAL, NTSC (Same A, B, C Setting) Channel Range UHF: TV with CATV UHF: TV with CATV UHF: TV with CATV Operating Frequency: 47MHz to 868MHz AV Connector: RCA Female Output Level: 85±5dBuV Speaker System: M = 4.5MHz, B, G = 5.5MHz, I = 6.0MHz, D, K = 6.5MHz . Package List: 1 x Home Modulator1 x Instruction Manual