Features 1.Efficient Way: AV selection modulator is a cost effective way for your own local cable system. 2.PAL NTSC Standard: The TV modulator's TV standard is PAL NTSC and the output channels are selectable. 3.Adjustable Levels: The AV optional modulator has adjustable output levels, adjustable sound and video output levels. 4.Multiple AV Input Sources: The AV selection modulator allows you to select multiple AV input sources. 5.Lightweight Design: AV selection modulator adopts humanized design, small and lightweight, easy to carry. specificationItem Type: AV Selection Modulator Material: Metal, Plastic TV Standard: PAL NTSC Channel Range: VHF UHF Operating Frequency: 47MHz ~ 868MHz AV Connector: RCA Female RF Input RF Output: F Female Output Level: 855dBuV Sound System: M = 4.5MHz, B G = 5.5MHz, I = 6.0MHz, D K = 6.5MHz (Same A B C Settings) Plug Voltage: AC 100-240V PackageList 1 xAVSelectionModulator 1 x Instruction Manual