... 3)tapping threading,and anodizing 4)exported to USA Features:*outdoor used CATV electronic amplifier housing*aluminium die casting ... partners to get win-win in the electronic amplifier filed.Welcome your designing,drawing, or specifications. ... for 23 years.If you are in this CATV amplifier field, contact us to know why we are ... reference, not for sale. Outdoor used CATV electronic amplifier housing