6.INST ALLA TION ................................................................................................................................................................ 15
6.8.1.Switch on power ............................................................................................................................................. 23
6.8.2.Manual Gain Control (MGC) .......................................................................................................................... 24
6.8.3.Smart function ................................................................................................................................................ 25
6.9.SYSTEM TEST .............................................................................................................................................................. 27
6.9.1.Check whether the coverage is good ............................................................................................................. 27
6.9.2.Repeater can not communicate in Power-ON status ..................................................................................... 28
This user’s manual describes the installation, commissioning and maintenance of
wide band consumer repeaters of CDMA/GSM850+PCS/GSM1900 dual systems.
Please do read user manual carefully before installing and maintaining the repeaters.
The information in this manual is subject to change without prior notice.
Opinions are welcomed about the manual improvement.
1. Safety Warnings
Users must follow the below principles:
Repeater should follow system requirement of communication equipment, assure good grounding and
lightning protection.
The power supply voltage of repeater should meet the standards of security requirement; any operation
shall be carried out only after cutting off power in advance. Only the professional is authorized for the
operation.
Do not dismantle machine, maintain or displace accessories by yourself, because in this way, the
equipment may be damaged and you may even get an electric shock.
Do not open the repeater, touch the module of repeater, or open the cover of module to touch the electronic
component. The components will be damaged due to electrostatic.
Please keep away from heating-equipment, because the repeater will dissipate heat during working. And do
not cover booster with anything that influences heat-dissipation.
SM-T17CP
2. Introduction
Our SM-T17CP full band repeater is the perfect solution for providing a wireless improvement in the cellular
reception of a home, office, restaurant, VIP Room, apartment, building or shopping mall, in the quickest time
possibly. One repeater covers 50 to 2000 square meters.
The repeater introduces the features from the consumer electronic device, which could support the operation via
LCD touch screen in the front panel. Also it has many intelligent function, such as antenna isolation detection,
input&output signal strength indication and smart functions.
See the detailed introduction listed below:
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SM-T17CP User Manual
Dual system repeater display and operation interface
1. The line shows the working status of system 1.
2. The line shows the working status of system 2.
3. 5 bars of the output signal strength indication, which shows you the maximum output power of the repeater.
Each signal bar represents 5dB.
4. The specific value of the input signal strength measured in dBm, tell us the exact input signal level.
5. Show the UL maximum gain.
6. Show the DL maximum gain.
7. Show the status of Uplink Sleep Mode and ISO for system1.
8. Show the status of Uplink Sleep Mode and ISO for system2.
9. Enter for selection or confirm the settings.
10. Back to the previous page or cancel the settings.
11. Increase the gain.
12. Decrease the gain.
13. Smart function. The repeater could set the gain automatically to prevent the Alarm.
The repeaters has Manual Gain Control (MGC) feature that enables engineers to reduce the gain of the repeater
manually via touch screen if oscillation is detected. Users could also use the “Smart” function as well, which will
help to set to the suitable gain automatically without any interference to the mobile network.
In order to maintain safe and specific output signal levels, this repeater has built-in signal oscillation detection
circuit to adjust the gain automatically so as to avoid interference to the cellular network, also it gets color
changing LED’s indicating its environmental status: the Alarm LED’s located on the front of the unit will change
color from green to orange or red, (depending on the input power level) when the system detects signal
oscillation in the working band or the input signal is beyond a safe limit.
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SM-T17CP User Manual
Our repeaters also feature a Network Safe / MUTE feature that automatically shuts off the repeater to protect the
cellular network. Users shall make sure the LED’s remain green at all times for optimum system performance.
Below diagram shows how simple and fast the repeater system is installed and works effectively:
One Yagi antenna, as donor antenna, is installed at the top of the roof to pick up good mobile phone signals from
outside, and send through 5D-FB cable to repeater to amplify the signals significantly, then the output signals
are sent to the indoor omni antennas and finally transmitted into the covering area. Very clear phone call or high
speed mobile data are immediately achieved within the area.
3. System Characteristics
3.1.
Features
Streamline shape.
Wide band repeater to support signals of all operators.
High-integration (One board to contain low-noise amplifier, frequency selection module, power amplifier
module, both uplink and downlink one for all).
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SM-T17CP User Manual
Manual gain control provides a variety of applications.
Auto automatic gain control to stabilize the coverage and minimize the noises.
Auto shut off function as final step to avoid severe interference with mobile network (not available for some
models).
With LCD Touch Screen and smart function
3.2. Appearance of the repeaters
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SM-T17CP User Manual
4.1. Recommended donor/outdoor antenna
Function: Pick up donor signals from the cell tower and send to the repeater by cable; the power level and quality of
the received signals influence a lot on the coverage effect. Donor antenna also transmits the uplink signals from the
repeater to cell tower.
Log Periodic Antenna
This is a wideband directional antenna with high gain. It’s usually installed
in the roof of the house and face to the BTS tower for better signal
reception.
The outdoor panel Antenna
The outdoor panel antenna is also a directional antenna with 120 degree
coverage. It’s the wide range type that could pick up the signal from multi carriers.
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SM-T17CP User Manual
This antenna should be installed in a vertical position and face to the BTS tower for better reception.
4.2. Recommended service/indoor antenna
Omni antenna (Indoor ceiling Omni antenna or whip antenna), suitable to be installed in the center and radiate all
direction; It is better to use a directional panel antenna or wide band Yagi when the coverage shape is long and
narrow (corridors, long row of houses in two sides, tunnels or elevators or rural open space)
Log Periodic Antenna
This is a wideband directional antenna with high gain. It’s usually
installed in the position that directly face to the target coverage. It’s
should be in vertical position.
The indoor panel Antenna
The indoor panel antenna is also a directional antenna with 120 degree
coverage. It’s the wide range type that could pick up the signal from multi
carriers. This antenna is usually installed in the wall or ceiling with the front
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panel facing to the covering area.
SM-T17CP User Manual
Omni Ceiling Antenna
The omni ceiling antenna is an omni directional antenna with a radiation of 360
degree. It’s usually installed in the central of the covering area to distribute the
signal around.
The whip antenna
The whip antenna is an omni directional antenna with a radiation of 360 degree.
It’s usually directly connect to the booster, and then put the repeater in the
central of the covering area for signal distribution.
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