Signalwing 10dBm Series User manual

1
10 0d dB Bm m~ ~3 30 0d dB Bm m S Se er ri ie es s
P
Pi ic co o R Re ep pe ea at te er r
U
Us se er r’ ’s s M Ma an nu ua al l
J3 Seires

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
Preface
This User Manual provides installation, configuration, operation and maintenance guidance of the
repeater. Specifications are also provided at the end of this User Manual in order to help users better
understand the repeater. Please read the manual thoroughly and follow the instructions outlined in this
manual to ensure a long life span and a trouble-free repeater unit.
Warranty
Lightning protection must be done for all outdoor antennas. Damage to power modules, as a result of
lightning is not covered by the warranty.
Switching on the AC or DC power prior to connection of antenna cables is considered as an incorrect
installation process and therefore faults arising thereafter are also not covered under the warranty.
This entire manual should be read and understood before operating or maintaining the repeater system.
We assume no liability for customer's failure to comply with the precautions mentioned. This warranty
will not cover such failures to comply.
Safety Information
Do not operate equipment in an explosive environment. Appropriate AC or DC power needs to be supplied
to the repeater. To avoid power supply spark, please perform the grounding connection of the equipment.
In order to avoid equipment damage or human injury by lightning, static electricity and other phenomenon
of leakage electricity, we suggest all products must do the electric-discharge of the electrical grounding in
setup process. Incorrect power settings can damage the repeater and may cause electrical related injury
to the user.
Acknowledgment
Thank you for purchasing our repeaters. Strict quality control system procedures are implemented to
ensure you a high quality product; with numerous cellular operators acknowledging the product to be a
high performance, low interference, transparent and simple to operate and maintain.
This document is written to customer service personnel or the end users, who install, configure and
commission the repeater system in a cellular network.

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
Contents
PREFACE.......................................................................................................................1
WARRANTY ................................................................................................................... 1
SAFETY INFORMATION................................................................................................1
ACKNOWLEDGMENT ...................................................................................................1
CONTENTS ....................................................................................................................2
1. INTRODUCTION ..............................................................................................4
1.1Appearance of the Repeater...................................................................................................4
1.2 General Installation Layout...................................................................................................5
1.3 Advantages...............................................................................................................................5
2. INSTALLATION................................................................................................7
2.1 Isolation....................................................................................................................................7
2.1.1 Self-Oscillation Resistance...............................................................................................................7
2.1.2 The Isolation Value..............................................................................................................................7
2.2 Precautions and Preparation..................................................................................................8
2.3 DonorAntenna Installation....................................................................................................9
2.4 ServerAntenna Installation .................................................................................................10
2.5 Repeater Installation............................................................................................................. 11
2.5.1 Installing the Repeater......................................................................................................................11
3. COMMISSIONING.......................................................................................... 13
3.1 Downlink Output Power.......................................................................................................13
3.2 Repeater Configuration........................................................................................................13
3.2.1 Start-up the Repeater........................................................................................................................13
3.2.2 Repeater Settings ..............................................................................................................................14

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
4. MAINTENANCE .............................................................................................20
4.1 Status, Alarms possible Solutions ........................................................................................20
4.2 Troubleshooting.....................................................................................................................22
4.3 Replacement...........................................................................................................................23
5. APPENDIX.............................................................................................................24
5.1 Abbreviations.........................................................................................................................24

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
1. Introduction
1.1 Appearance of the Repeater
The 10~30dBm Series Repeater is compact in size and light in weight. Hence, the
installation of the Repeater is easy, simply just plug and play. With the control panel in
front of the repeater, the repeater status can be seen during installation.
Figure 1 LED Indicators

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Signalwing Corporation
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1.2 General Installation Layout
Figure 2 Profile
For indoor application, a typical installation layout of the Repeater is shown in Figure 2.
The Yagi antenna is used as the donor antenna, and is connected to the repeater. Omni
and panel antennas are being used as the service antennas.
The donor antenna is placed outside of the building, while the repeater is placed inside the
building to extend radio coverage to the dead zones.
1.3 Advantages
◆Fast & easy Installation
The installation of a repeater is easy and simple. With its plug and play design,
installation simplicity, and operational user friendliness, these features appeal greatly to
many operators for the purpose of indoor coverage or for temporary coverage during
network optimization.
◆Smart Function
Compare to the worldwide repeater brand, the 10~30dBm series repeater has a smart
function which can be activated via the front panel. This function can prevent UL
interference and self-oscillation caused by insufficient isolation between donor and service
antennas, and also setup parameters to keep optimal condition automatically; the only
thing for users is just activating this function by front panel.
Notify that the users can’t adjust by manual setting when smart function is initiated.

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◆Auto Level Control
The 25dB ALC is used to maintain steady output power even when the donor source
signal fluctuates. Also when the ALC is activated, the ISOLATION LED indicator would be
lighted in orange, which means the Isolation may not be enough. It also prevents UL
interference and self-oscillation from insufficient isolation between donor and service
antennas.
◆Antenna isolation testing
The 10~30dBm series product also has a repeater mounted antenna isolation
detection function. Equipment installation completed boot automatically after the onset
detection transceiver antenna isolation, if transceiver antenna isolation can not meet the
installation requirements, the device will automatically reduce the gain to guarantee the
equipment in normal working, not self-excitation vibration, guarantee not to interference
protection of base station, repeater itself. At the same time alarm exhibit of lanterns bright
red light alarm. Device LED gain display panel will display device is reduced after the
equipment current gain state, which has the advantages of convenient construction, but
also to protect the base station equipment, and does not generate interference.

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
2. Installation
2.1 Isolation
Isolation is an important concept for the repeater system, and it is one of the factors
that affect the location of the donor antenna and server antenna. In the repeater system,
the isolation must be enough, which means the donor antenna cannot be installed too
close to the repeater. But what is isolation? The isolation is the propagation loss between
the donor antenna and the service antenna which needs at least 15dB higher than the
gain value of the repeater. Non-compliance to this criterion would result in poor signal
quality or poor signal strength in the coverage area and the amplifier of the repeater may
also be damaged.
Isolation ≧Repeater Gain + 15 dB
2.1.1 Self-Oscillation Resistance
Self-oscillation is a phenomenon that would occur when the isolation for the repeater
system is not enough. In other words, insufficient isolation betweendonor and server antennas
would result in self-oscillation. Which means part of the signal that is being amplified by the
repeater radiates back towards the donor antenna and gotpicked up by the donor antenna and
went through the repeater amplification process again. Severe oscillation would result in poor
signal quality and even damage the repeater. Self-oscillation will deteriorate the signals inside
the coverage area and interfere towards the BTS.
2.1.2 The Isolation Value
The precise estimation of the isolation value can be obtained via a physical test
measurement. This test measurement is done at the actual environment where the donor
antenna and the server antenna are installed for a repeater system. The test
measurement procedures are as follows:
1. Connect the signal generator (SG) to the donor antenna and transmit a signal with a
frequency (For GSM900, uplink is 890~915MHz and downlink is 935~960MHz.
Choose frequency 920MHz to do the test. For DCS1800, uplink is 1710~1785MHz
and downlink is 1805~1880MHz. Choose frequency 1795MHz to do the test. For
WCDMA2100, system uplink is 1920~1980MHz and downlink is 2110~2170MHz.

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Signalwing Corporation
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Choose frequency 1995MHz to do the test. In simple words, choose the idle
frequency of the system to do the test) of certain power level from the SG.
2. Connect the spectrum analyzer (SA) to the service antenna and scan for the known
frequency (The frequency used by the signal generator). Mark the received power
level on the SA.
3. Subtract the power level received at the spectrum analyzer from the output power
(OP) level of the signal generator to obtain the isolation value.
Isolation (dB) = OP from the SG –Received Power on the SA
Transmit a strong OP from the SG is recommended (excess of 20dBm) for easy
recognition and detection by the SA.
2.2 Precautions and Preparation
1. Ensure the power applied to the repeater is within its working range. A separate
circuit breaker is recommended.
2. Ensure the donor antenna is installed at the location where signal from the donor
BTS (Node B) is good enough.
3. Ensure there’s sufficient isolation between the donor and server antenna.
4. The repeater is designed for indoor application. Ensure the location of the repeater
is dry and ventilative.
5. Ensure there are adequate resources to handle the weight of the repeater.

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
Tools Required for Installation
The suggested tools required for a successful installation are:
1. Signal Generator......................................................x1
2. Site Master...............................................................x1
3. Laptop......................................................................x1
4. Engineering Mobile..................................................x1
5. Multi-meter...............................................................x1
6. Electrical Drill...........................................................x1
7. Hammer...................................................................x1
8. Spanner...................................................................x1
9. Screwdriver..............................................................x1
10. Waterproof Sealant..................................................x1
2.3 Donor Antenna Installation
The location of the donor antenna strongly influences the performance of the RxLev
(RSCP for 3G) and RxQuality (Ec/No) of the intended coverage area.
The donor antenna is usually installed outside of the building, pointing towards the donor
BTS (NodeB) for best reception of the receiving signal. When choosing the location for the
donor antenna, there are 3 criteria need to be met:
For 2G Systems
1. The Rxlev of the signal, at the input to the BTS port of the repeater is suggested to be
in the range of -55dBm to -70dBm
2. The RxQuality index ranging from 0 to 2 is required.

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3. The Rxlev of primary BCCH is at least 6dB higher than the BCCH of neighboring BTS
sites.
For 3G Systems
1. The RSCP of the donor signal is suggested to be in the range of -60dBm to -70dBm.
2. (Ec/No)AS_CPICH ≧ -7dB; AS_CPICH is the Pilot Channel in Active Set (Serving Cell)
3. (Ec/No)AS_CPICH –(Ec/No)MS_CPICH ≧ 6dB
The donor antenna should be installed at least 3 meters above the ground but not higher
than 7th floor of any building. If the donor antenna is located at a high floor, it would be
difficult to obtain a dominant BTS signal from the nearby BTS.
A lightning rod is necessary when the donor antenna is located at a relative high position.
An arrestor could be connected between repeater and donor antenna for better protection.
Waterproofing of the antenna installation is also important, and it can be done with the
following process:
1. Use the donor antenna cable to form a half loop at the point of entry into the house so
that rain water would drop off instead of flowing inside along the cable, and also also
form a half loop before the antenna cable connects to the repeater as the waterproof
measure.
2. Secure the cable entry point. Seal the donor antenna’s connector and repeater’s
connector with a waterproof sealant.
2.4 Server Antenna Installation
Find the right spot to install the service antenna so the required coverage can be fully
covered by the repeater. However, the following three points should be considered while
installing the service antenna.
1. Do not install the repeater near metal or obstacles that may influence its coverage
performance.
2. It is suggested to install the repeater at least 2m above the floor for the best coverage.
3. The server antenna should not be installed to close to the donor antenna to avoid
issues with isolation.

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Signalwing Corporation
Tel.: [phone] Fax: [phone] Email :[e-mail]
Add. : 4F, No. 41ABld, Huaide Cuigang No. 5 Industrial Park, Fuyong Street, Bao'an District, Shenzhen ,China 518103
2.5 Repeater Installation
2.5.1 Installing the Repeater
◼Use the hanger that comes with the repeater package, and place the hanger on the
wall where repeater is going to be installed, use the hole on the hanger to secure the
hanger on to the wall. (There are many different types of repeater with varied size,
please measure it before drilling the hole in the wall.) Below is just a sample for one
of the type.
Figure 3 Mark the holes
➢Fasten the holder on the wall by screws.

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Signalwing Corporation
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◼Use the back of the repeater to hang on the Hanger and complete the installation.
◼Connect the donor antenna cable to the BTS port of the repeater and the server
antenna cable to the MS port of the repeater.
◼A lightening arrestor needs to be connected to the repeaters’ BTS port when the donor
antenna is installed in a high position. Grounding is essential for the arrestor to work.
◼Plug the power cable to the repeater first before plugging in the power cable to the
mains socket. Use the power cable that comes with the package.

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3. Commissioning
This chapter outlines the process to optimize the performance of the repeater. The
gain setting, isolation concept, and downlink output power.
3.1 Downlink Output Power
The downlink output power of the repeater mainly depends on the input signal power
and the repeater gain. The gain is the amplifying indicator for both uplink and downlink in
the repeater, and it can be adjusted. Hence, the output power of the repeater can be
estimated.
Signal Input Power + DL Gain = DL Output Power
For any given input signal power, its corresponding output is increased by the gain of the
repeater. To ensure the maximum output power, the following condition should be met.
DL Gain = Min [(DL Output Power –Input Power), Max. DL Gain]
If the input signal amplified by the gain set exceeds the rated set output limit, the ALC
(Automatic Level Control) will be triggered. The ALC ensures that the maximum output
power of repeater is maintained at a certain point and does not overdrive the repeaters
amplification circuit.
3.2 Repeater Configuration
The 10~30dBm series repeaters are designed with plug and play ability. The
configuration for these repeaters is not necessary, simply just switch the Smart function on,
and the repeater would auto adjust its gains according to the environment condition.
3.2.1 Start-up the Repeater
Note: It is suggested that only when isolation is 15dB higher than repeater’s gain then the
repeater can be switched on.
Make sure power supply cable is connected to the repeater properly, and the voltage
is within repeater’s voltage working range: 110/220V ± 20%
Plug the power cord into the proper socket. Once the repeater is on, it requires

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several seconds for initialization.
When Repeater is close to the BTS, hence there is a high input power at the donor
antenna. Even with the smart ability of the auto gain adjustment, it is still recommended
to add an RF attenuator at repeater’s BTS port to avoid interference to the BTS.
3.2.2 Repeater Settings
After switching on the repeater, the repeater would automatically adjust both
uplink and downlink gain value based on the repeater installation environment if the
smart function is turned on. The repeater can also be adjusted manually via the front
control panel.
Figure 4 Front panel of the repeater
Buttons Functions
The functions of the buttons on the front panel are listed in the table below.
Button
Function
Explanations
Select UL or
DL
Press the button to select between either uplink (UL) or
downlink (DL) for the band, the indicator represents either UL
or DL you are at and intending to operate.
System
gain
setting
and
system
alarm
indication
System
function
instructions
and
monitoring
unit operation
condition
indicating

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Store the
Changes
Press the button to confirm the selection, press again and
the LED keeps blinking, means now in the mode of setting.
After setting the attenuation, press the store button again
and the value would be stored into the repeater, and the LED
would stop blinking and display the value, the process is then
complete.
Increase or
decrease the
Gain
Press the button increase or decrease the attenuation by
1dB/step, and the LED monitor would display the current
gain value; press the store button to complete the settings.
Activate or
Deactivate
the Smart
function
Press the button to activate the smart, intelligent indicator will
be lit, and according to the memory button effect. If the light
goes out that without this function
Activates or
deactivates
the uplink
sleep
function
Press the button to activate the Silent Mode, Silent indicator
will on, and according to the memory button effect. If the light
goes out that without this function (Optional).
Battery
backup
switch button
Equipment without AC power supply, equipment monitoring
unit battery backup started working, press this button to
manually close the battery backup power
The LED monitor
The LED monitor is composed by 2 digits which displays the current gain value, when LED is blinking,
the system is in the mode of setting the attenuation.

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When LED shows 88 and keeps blinking, the system is in initializing status (it takes 12 seconds to
complete the initialization)
The Indicators
There are four kinds of indicators on the front panel, and they are listed:
Indicator
Status
Power Indicator
Indicates that the power supply is normal.
UL/DL Indicator
This UL/DL Indicator indicates either the LED monitor is displaying
the UL band or the DL band.
Smart Function
Indicator
indicates the Smart Function is OFF
indicates the Smart Function is ON
Silent Function
This indicator lights, uplink sleep function.

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Indicator
This indicator is off, said uplink no sleep function
System1
Indicator
When the indicator is green, That is the first system operation.
（If it is a single system device, only system 1 indicator lights;
If multiple system, system 1 standards for the lowest frequency of the
system indicator）
System2
Indicator
When the indicator is green, it shows the second operation system.
If it is a single system equipment, the bright lights can not choose. If
the system is double device, the light that selection for double system
frequency is highest the system operation. If 3 system equipment, the
lights indicate selection 3 system inside the system second high
frequency operation）
System3
Indicator
When the indicator is green, it is one of the third operation system
（If it is a single system equipment, the light is not bright, not be
selected. If the system is double equipment, this light is not bright,
also can not choose. If three system equipment, the light is said to
select one of third systems, the system for three system equipment
inside the highest frequency of the system.）
Alarm1 Indicator
When the indicator is green, it is in normal status.
When the indicator is red, it means system 1 the output power is out
of AGC range.
Alarm2 Indicator
When the indicator is green, it is in normal status.
When the indicator is red, it means the output power of system 2 is

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out of AGC range.（If it is a single system equipment, the light is not
bright. If the system is double equipment this light red is the highest
frequency of the system with alarm. If the lamp is three system
equipment red indicates the frequency of second tall the system with
alarm）
Alarm3 Indicator
When the indicator is green, it is in normal status.
When the indicator is red, it means the output power of system3 is
out of AGC range.（If it is a single system equipment, the light is not
bright. If the system is double equipment, this light is not bright. If
three system equipment this light red is the frequency of the highest
system with alarm）
Module Indicator
With remote monitoring equipment with the indicating lamp, the lamp
Green said monitoring module and RF module communication is
normal, if the red said monitoring module and RF module
communication is not normal
Run Indicator
With remote monitoring equipment with the indicating lamp, the lamp
Green said monitoring module in normal operation
Modem Indicator
With remote monitoring equipment with the indicating lamp, the lamp
Green said monitoring module in the modem operating normally
An Example of Setting
（To set attenuation for the uplink）
Step 1：Press SELECT till the indicator stops at uplink.
Step 2：Press STORE and LED monitor starts blinking.

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Step 3：Press“+”, “-”to an intended gain value.
Step 4：Press STORE to set the value and the LED stop blinking and
showing the gain value at the moment, the process is done.