ComNet specializes in the transmission of Ethernet data, video and audio signals across fiber optic, copper, and wireless med ... iums. ComNet products come with a limited lifetime warranty, making ComNet the supplier of choice for transmission requirements. All products are designed, built, and tested in the USA to hardened industry requirements and have proven reliability operating in challenging environments of -40 and +70 degrees. These include petrochemical refineries, oil and gas pipelines, and heavy and light rail transportation. ComNet is an ACRE company. read more