CATV outdoor user distribution amplifierhousing;1.Certification: ISO9001,ISO9002,ROHS2.Raw material: Aluminum alloy die cast housing3.Surface treatment: Powder coat or spray paint4.Shielding and grounding aspect: assembled with metal screen5.Waterproof aspect: assembled with silicon rubber strip(It can bear temperature as high as 200oC and as low as -80oC, with no distortion.)