1. This antenna is designed for long distance wireless communications 2. Mounts easily for outside applications 3. Ideal for building-to-building communications 4. Optimum effective distance: 20km 5. Frequency: 2.3GHz to 2.485GHz 6. Gain: 20dBi 7. Dimensions: 1000 x 50 x 45mm 8. Connector: N-type female 9. Quality: under strict quality control, our products are undoubtedly made to meet your demands of high quality. Products with defects from workmanship or materials can be returned for replacement or repair.