MOSTOP Antenna RP-SMA Cable Extension Cord for Wi-Fi Wi Fi Router (9M) GOLD-PLATED CONNECTOR: Gold plated connectors have Good electrical conductivity, Strong corrosion resistance, Durable abrasive resistance. Long Serving Life! DURABLE & OPTIMUM SIGNAL TRANSFER: Copper Center Conductor for optimum signal transfer. Dielectric Insulation & Aluminum Foil Shielding for anti-interference. Durable & Flexibale PVC outer Layer for More wear-resisting. 30 FEET LONG EXTEND ANTENNA: With this Extra long 30ft extension Antenna cables, you can place antennas wherever you like, giving you a more convenient connection possibly. Don't worry NO signal! INTERNAL / OUTSIDE SCREW INTERFACE, VERY EASY TO INSTALL: Thread interface connection is convenient, operate simplicity, won't need to use any tools. WIDELY USED: The RP-SMA is the most popular interface for wireless device. More than 70% AP, wireless router, and more than 90% PCI interface of the wireless network card, use this interface. Widely used for Antennas, Wireless LAN Devices, Coaxial Cable, Wi-Fi Radios External Antenna Application, Wireless OEM Applications, Wireless Infrastructure, Microwave Applications and Digital Communication System.