PTFE Silicone Rubber PU Vermiculite Graphite Acrylic Calcium Silicate Al-Foil Coated Fiberglass Silica Cloth Fabric Steel Wire Glass Fiber Cloth Fabric US$3.00-4.00 500 Square Meters (MOQ) 3.7~4.2GHz 2.4G 5.8g 4G Waterproof Omni Fiberglass Antenna with N Male US$9....