Low loss Garmin compatible GPS MCX Antenna External Extension Cable MCX Male to MCX Female for Flush Mount Garmin or Lowrance GPS Receivers 100cm (3feet) RG316 Mechanical attachment between the cable and connector bodies is the Crimp With Heat-shrink tube as insulation. 50 ohm Impedance. Tested Quality Guaranteed. Use Best Flame retardancy material.Temperature tolerance up to 250C. 5-12 Businese day delivery to USA Address if Fullfilled by seller. Package include:1pcs