BNC Connector For CCTV 1.Antenna To BNC or F connector 2.Core is brass 3.Connector Manufactory 4.Good ... above twisted pair wire Category Type 5or betterDC Loop Resistance 52 ohms per 1,000 ftMaterial ABS Zinc Alloy Withstand Voltage1500V ... company1.Our factory main deal with Connector(BNC,DC,RCA,F) BNC,DC Cable,Coaxial Cable,Other CCTV Products,Such As ...