Usage Tips:Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title.If you need to change the color or style, you need to contact us within 12 hours after placing the order.Our product description:DS-81 8 in 1 TV Satellite Signal DiSEqC Switch LNB Receiver MultiswitchProduct Features:Zinc die-cast housing, nickel-platedExcellent quality component , professional circuit design and low lossExcellent quality chip , professional program design and compatible with more types of satellite receiverDiSEqC 1.1 control functionsSelect one of eight satellite signals through DiSEqC1.1 commands supplied from satellite receiverUtilize one coaxial cable to transmit control instruction and satellite signal simultaneouslySpecifications:ItemSpecificationItemSpecificationFrequency Range950-2150(MHz)Normal Working Voltage12-20(V)Insertion Loss3(dB)DC Power Consumption10(mA)Isolation20(dB)DC Max Power Passing500(mA)Return Loss8(dB)Impedance(all ports)75()Package Included:1 x DS-81 SwitchNote: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.