Cutting in metal in a sustainable way, a solid frame and an alternative model of opening made of metal. 1. Cost-effectiveness for your own local CATV system. 2. Compatible with TV box and other audio and video sources, UHF modulator, optional PAL / NTSC. 3. 4. Professional production, stable properties and high reliability. Specification: Object type: Modulatorli> Model:MMS80li> Material: ABSli> Modulator: Input channel: A Input B Input C Inputli> Channel range: UHF ： TV CATV UHF ： TV CATV UHF ： TV CATVli> Working frequency: 470 MHz-868 MHzli> Connection A /V ： for female RCAli> RF input / RF output:female connector F.li> Output level: 85 5 dBuVli> Radio frequency output channel: input channel A input channel B input channel C (channels cannot be the same,at least at channel spacing)li> Sound system:M 4,5 MHz ， B / G 5,5 MHz ， I 6,0 MHz ， D / K 6,5 MHz （A \ B \ C Setting the same）li> Power consumption:400 mA at 5 V Maximum input AC ： 100-240 V.li> Plug:plugin EUli> Working temperature:0 40 li> Weight: approx. 507gli> Package list: 1 x Home Modulator 1 x Instructionli>