Our most popular outside antenna. Excellent solution for city, cottage and other areas that have at least 2 bars of signal to pull from. The Cellphone-Mate CM100-L building antenna is designed for commercial buildings or home. It is omni-directional and radiates signal in a 360 degree pattern. Works with all 800/1900MHz cell phone providors. It is designed to be mounted on a pole up to 2" in diameter. Mounting hardware is included. •Frequency - 806~924 / 1850~1990 MHz •Gain - 9dB •Height - 30 inches / 76.2 cm •Polarization - Vertical •Color - White •For fixed installations •Mounting hardware included •N-Female connector •For exterior use