About Signal Booster Cell phone becomes especially helpful
when people get into critical situations. In case of emergency a timely
call can save a life. Unfortunately, there are still some places where
one can find themselves - out of coverage. Usually those places are
either too far from the cell phone base station or located inside
underground constructions, for example: parking lots, tunnels, big
stores, office buildings, cars, boats, house in remote areas, etc. Here we will bring you a new kind of LED signal booster. Welcome to buy!
Features 1. High-gain linear power amplifier. 2. ALC and AGC function technology. 3. Ultra-low noise receive amplifier. 4.
There is no interference to the base station, right after the opening
of the original system and the base station without the need to adjust
parameters. 5. Stable and reliable electromagnetic compatibility design. 6.
The base station dose not cause an increase in background noise, but
will not lead to a decline in the quality of the base station
communications. 7. With full-duplex communication mode. 8. It explores an effective and reasonable method to dispel the heat.
Installation Steps 1. Use your mobile phone to test signal strength outside house or on roof, -70dBm is the basic requirement (full bar). 2. Install outdoor antenna in that location and keep adjusting, point it to signal tower station, try to get best signal. 3. Run outdoor coaxial cable into building in a convenient location to connect with signal repeater. 4. Mount your indoor antenna with signal repeater. 5. Power up signal repeater device to check the signal inside, moving outdoor antenna until you get satisfied signal.
Connect outdoor (BTS) port with outdoor antenna. Connect indoor ANT
(MS) port with indoor antenna. Outdoor antenna is mounted at a higher
position. Both antennas should be 10 meters far away at least from each
other. 2. Indoor and outdoor antennas must be separated by wall. 3.
If the signal is still weak after installation, please check whether or
not the outdoor antenna is pointed to signal tower correctly or
elsewhere with stronger signal and confirm that the signal strength
achieved -70dBm. 4. If no signal for a long time after installation,
please check the device power adapter whether or not connected
perfectly and connectors connect well. 5. If strength is not steady,
please check if outdoor and indoor antennas are too close. Please
ensure outdoor antenna has distance of 10 meters at least, with a
barrier and not in a same horizontal line. 6. Packed the outdoor connector by waterproof glue, otherwise wet condition will reduce the signal cover area.
DCS 1800MHz, Uplink 1710-1785MHz, Downlink 1805-1880MHz, GSM 900MHz, Uplink 890-915MHz, Downlink 935-960MHz
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