Please contact me to make sure your signal frequency if you are not 100% sure the frequency of your cell phone signal in your place is 1900MHz. Otherwise, this item won't work for you.Spectrum: 1850-1910MHz (Uplink), 1930-1990MHz (Downlink) Max. Output Power: 27dBm Max. Gain: 75dB Booster Port: N Female Impedance: 50 ohms Input: AC 100V - 240V, 50Hz - 60Hz Output: DC 5V Working Temperature: -15℃～55℃ Package includes: 1x 1900MHz Signal Booster w/ power supply Installation Guide: 1.Check and find a place where your cell phone can receive the best signal outside your house, usually on the roof, or similiar high places, then fix the outdoor antenna there. (The outdoor antenna should not be higher than the lightning rod on top of the building.) 2.Fix the repeater device somewhere inside the house, the repeater should be fixed in a place where is near from the power socket, and have good ventilation.3. Runs the cable on the outdoor antenna into the house, and connect the antenna cable connector on the OUTDOOR port of the repeater tightly.4.Tightly connect the indoor antenna on the INDOOR port of the repeater.5.Turn on the power of the repeater. Attention: 1. The distance between the outdoor and indoor antenna should be above 7 or 8 meters. And there should be thick obsticles like walls between them. 2. The repeater must work with outdoor and indoor antennas. Anyway, this listing does not have any antennas and cables. The buyers need to use their own, or buy the antennas and cables separately.
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