Description: SMA-J Connector:This newest mini WiFi/3G antenna with SMA male (Pin inside) connector Which is great for your access points/modem/hotspot/router that with SMA-K connectors, just plug and play Support Wide Band:GSM 3G/ GPRS/ WiFi 2.4GHz Band signal,Frequency Range: 2400-2500 MHz Gain (dBi): 2 dBi; Wide-Band No drivers required: This antenna does not need any driver installation.Just connect it with your SMA-K modems and improve signal strength effectively and immediately Specification: Material: Metal + Plastic Size: Approx. 50mm / 0.16inch Package Includes: 1 Piece WiFi Antenna