Features 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. specificationItem Type: Home Modulator_x000D_ Material: Metal, Plastic_x000D_ TV Standard: PAL, NTSC (Same A, B, C Setting)_x000D_ Channel Range UHF: TV with CATV UHF: TV with CATV UHF: TV with CATV_x000D_ Operating Frequency: 47MHz to 868MHz_x000D_ AV Connector: RCA Female_x000D_ RF Input, RF Output: F Female_x000D_ Output Level: 855dBuV_x000D_ RF Output Channel: A Input Channel with B Input Channel with C Input Channel (Channels cannot be the same, at least one more channel must be separated)_x000D_ Speaker System: M = 4.5MHz, B, G = 5.5MHz, I = 6.0MHz, D, K = 6.5MHz_x000D_ Plug Voltage: AC 100-240V PackageList1 xHomeModulator 1 x InstructionManual