weBoost Outdoor Directional Yagi Antenna with N Female Connector 301111 for 700/800/900 MHz Band Yagi Cellular Antennas are very effective in increasing your cell phones signal strength in rural areas. The Yagi is a directional antenna and should be mounted above tree lines and aimed directly at your service providers nearest cell tower. Specialized high gain on 700/800/900 Mhz + Up to +10.8 dB gain. Works with all 50 Ohm signal boosters. Easy installation. Outdoor yagi directional antenna.