This Pack Includes 10 F-Type Male Connectors Designed For Rg11 Coaxial Cables. Constructed With A Durable Copper Nickel-Plated Outer Shell And A Copper Silver-Plated Inner Needle These Connectors Ensure Reliable Performance. The Insulator Is Made Of Teflon (Ptfe) For Excellent Dielectric Properties. Featuring A 75-Ohm Impedance These Connectors Offer Low Loss (0.1Db) And A Low Vswr (1.2) Operating Effectively From 0-1000Mhz. They Are Built For Durability With A Lifespan Of A‰¥ 1000 Cycles.