What is this?RG316 coaxial cable is widely used in radio, video, broadcast and telecommunications equipment to connect external antennas. Great for microwave applications and digital communication systems requiring high performance.What will I get?In the package of: Cable Length: Wire diameter: Sheath material: Color: Number of shielding layers: Is there any advantages of the product?Coaxial cable has good anti-electromagnetic interference and softness, with low transmission loss, low voltage standing wave ratio, physical foaming flame-retardant, good weather resistance, and durable use indoors and outdoors.How to use it?The product is very simple to use, just connect it directlyWhat should I notice? The higher in frequency and the longer of the length, then the greater of the attenuation. Please pick the length according to your usage.