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-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 1
User Manual
User Manual
3G Wide Band Repeater (23dBm)
REDUTELCO TECHNOLOGY CO.,LTD.
2015 January
Information in this manual is subject to change without notice
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 2
User Manual
Table of Contents
1 Description ............................................................................................ 3
2 Product Features ................................................................................... 4
3 Technical Specifications ....................................................................... 4
4 System Diagram .................................................................................... 5
5 Applications Example ........................................................................... 5
5.1 Minimum Signal Levels .............................................................. 6
5.2 Custom Applications .................................................................... 6
5.3 Isolation and Separation .............................................................. 7
6 Production Operation ............................................................................ 8
6.1 Notices ......................................................................................... 8
6.2 Installation ................................................................................... 8
6.3 Commissioning ............................................................................ 9
NOTICE:
SWITCH AC POWER OFF BEFORE DONOR AND
SERVICE ANTENNA CONNECTS TO REPEATER.
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 3
User Manual
1 Description
Repeater is a device that receives, amplifies and transmits the radiated or
conducted RF carrier both in the down-link direction (DL, from the base station
to the mobile area) and in the up-link direction (UL, from the mobile to the base
station).
The wide band repeater (PORP23) is a bi-directional amplifier used to
enhance signals between a mobile and a base station. This repeater type is
used for 3G system:
1) -It picks up the strongest signal from BTS via the Donor Antenna,
2) -Linearly amplifies the signal and then retransmits it via the Indoor
Signal Distribution System to the weak/blind coverage area.
3) -And the mobile signal is also amplified and retransmitted to the BTS
via the opposite direction.
It is applied to small, medium-size areas such as home, offices, shops, and
basements, remote countryside , and mining well etc.
This model booster is commonly used in situations where large numbers of
Donor
Antenna
Repeater
Downlink
Uplink
Service
Antenna
Downlink
Mobile
Uplink
Donor
BTS
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 4
User Manual
frequency carriers are to be repeated or when base station synthesized
frequency hopping is used.
2 Product Features
High system gain>75dB, High system output power>23dBm
Light weight, small dimensions, easy to install
Smart Automatic Level Control (ALC) to reduce interference to BTS
Linear power amplification to effectively suppress inter-modulation
and spurious emission
An alarm interface with unique color LEDs to indicate power supply
and signal level of uplink and downlink
Simple installation with external AC/DC adapter
Dual ports and full duplex design
3 Technical Specifications
Items
Specification
Uplink
Downlink
Frequency
1710-1755 MHz
2110-2155 MHz
Gain
70dB
75 dB
Output Power
17dBm
23dBm
Gain Adjustment Range
30 dB
Gain Adjust precision
010dB/±1dB#1020dB/±1.5dB#2031dB/±2dB
ALC Scope
20dB
In-Band Ripple
3 dB
I/O Impedance
50 Ω
VSWR
≤2
Load VSWR Tolerance
20:1
Noise Figure
8 dB
Inter-modulation Attenuation
-40dBc
Spurious Emission
-36dBm(9KHz1GHz)/≤-30dBm(112.75GHz)
System Delay
0.5μs
Max Input Power Level(1minute)
-10dBm
RF Connector
SMA-Type (Female)
Operating Temperature
-15~ +55 °C
Power Supply(Customized)
AC100~240VAC
Power Supply Socket(Customized)
Connector Type B
Dimension (mm)
120×70×30mm
-- 3G Wide Band Repeater (Model: PORP23W)
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User Manual
Weight(kg)
0.8kg
Shipment Dimension (mm)
250×2070mm
Shipment Weight(kg)
1.5 kg
Indication LED
DC
Light @ power supply on
Run
Light @ repeater work
4 System Diagram
The RF link (donor) towards the base station is typically fed from an
outdoor antenna while the coverage area is fed by an indoor antenna
The RF link (donor) towards the base station is typically fed from an
outdoor antenna while the coverage area is fed by an indoor antenna or
connected to mobile antenna directly.
The signal from the base station is received via directly antenna, then
forwarded through a duplex filter, is amplified in a low noise amplifier (LNA),
enters the RF filter for wideband selective, and then amplified in the power
amplifier.
The output signal passes a duplex filter, before it is fed to mobile or indoor
antenna which retransmits the signal to the aim areas.
5 Applications Example
-- 3G Wide Band Repeater (Model: PORP23W)
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User Manual
5.1 Minimum Signal Levels
It requires a minimum signal level in the place where install the donor antenna.
Failure to provide sufficient input signal will only result in a poor coverage
inside the building for this repeater system.
To check signal levels, use the phones in the place where antenna be install
(on the roof) and observe the signal bars on the phone. The Donor (outside)
antenna should be placed in the location where you get the most signal.
Notices:
1) The donor antenna should have line of sight (LOS) with the BTS antenna.
If the signal strength is adequate, LOS may in some cases not be
necessary.
2) Donor antenna gains are typically 9 to 14 dB, and have a horizontal and
vertical beam width of less than 30° to correctly select the donor BTS.
5.2 Custom Applications
If building is made of concrete, steel, steel roof, copper roof, brick, aluminum
siding, concrete roofing tiles, metal roofing tiles or any other signal stopping
material, a repeater is usually the ideal solution for your situation.
-- 3G Wide Band Repeater (Model: PORP23W)
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User Manual
Most homes or buildings are easily covered by one repeater systems. Some
buildings are larger or have multiple areas inside that need coverage.
It may need longer cables, more than 2 coverage antennas or other items in
order to fully cover your building. We can make (almost) any cable length and
can help design a system that fits your application.
5.3 Isolation and Separation
Isolation refers to the proper distance or separation needed to keep the Donor
antenna signal pattern and the Coverage antenna signal pattern away from
each other.
Isolation becomes particularly problematic when Omni-directional antennas
are used for both the Donor and the Coverage antennas. Since these
antennas transmit in a circle (or more accurately a sphere) it is very easy for
these spheres to overlap and thus negate the repeater system.
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 8
User Manual
6 Production Operation
6.1 Notices
Follow below safety items carefully before installation, implementation,
maintenance and operation for this product
BS and MS port must be connected to donor antenna and service antenna
when powers supply on; otherwise the equipment will be damage for long
term use.
When use repeater for outdoor, the distance between donor antenna and
service antenna must be >20metes, otherwise the repeater will be damage
because isolation problem for long term use.
Donor antenna need to be lighting proof and lighting rod need to be install
for donor antenna installation pole outside
Check input power, require input power less than maximum input power of
repeater, otherwise the repeater cannot work well.
Keep clear for label and indicator on surface of repeater to be identified.
6.2 Installation
Step 1: Start by taking phone up to the roof or other location outside to find
where the signal is strongest.
Step 2: Temporarily mount the Donor (outside) antenna in that location. It
may need to adjust and move the antenna later.
Step 3: Run coaxial cable into the building to a convenient location where
you can also get standard 220VAC power for the repeater.
Step 4: Place the repeater in that location and connect the coaxial cable to
the Donor Side of the repeater and the donor antenna.
Step 5: Mount coverage (inside) antenna in a productive location. It may
need to adjust or move the antenna later.
Step 6: Connect coaxial cable between the coverage antenna and the
repeater output port.
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 9
User Manual
Step 7: Power up the system and check for signal inside the building. If
needed, tune system by moving and or pointing the Donor and Coverage
antennas until get the most signal possible.
Step 8: Secure all antennas and cables, securely mount the repeater and
clean up the installation.
6.3 Commissioning
Port
Usage
BTS
Connect to Donor antenna, Receive BTS signal source
MS
Connect to Service antenna, Retransmitted signal to target coverage area
Lo ATT
Set gain for uplink by switch PIN ON/OFF
Hi ATT
Set gain for downlink by switch PIN ON/OFF
LED
Indicator
Power
Light @ power supply on
RUN
Light @ work and Power supply switch on
DIP SWITCHES
There are downlink (BTS site to )DIP Switches (Hi ATT) and uplink DIP
Switches (Lo ATT) for single band.
ON- means Attenuation
OFF- means no attenuation.
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 10
User Manual
Hi ATT are used when BTS signal is acquired is too strong via donor
antenna (external antenna), which usual are set to lower gain (higher
attenuation), and protect repeater to work at good signal situation (NOT
Over-power state).This simply setting way is:
Set ALL DIP switch off.
Check signal bar of mobile phone in edge of coverage area.
Set Attenuation as following table until cell phone make calling is well.
No.
PIN1
PIN2
PIN3
PIN4
PIN15
Att Value
1
ON
ON
ON
ON
ON
31
2
off
ON
ON
ON
ON
30
3
ON
off
ON
ON
ON
29
4
off
off
ON
ON
ON
28
5
ON
ON
off
ON
ON
27
6
off
ON
off
ON
ON
26
7
ON
off
off
ON
ON
25
8
off
off
off
ON
ON
24
9
ON
ON
ON
off
ON
23
10
off
ON
ON
off
ON
22
11
ON
off
ON
off
ON
21
12
off
off
ON
off
ON
20
13
ON
ON
off
off
ON
19
14
off
ON
off
off
ON
18
15
ON
off
off
off
ON
17
16
off
off
off
off
ON
16
17
ON
ON
ON
ON
off
15
18
off
ON
ON
ON
off
14
19
ON
off
ON
ON
off
13
20
off
off
ON
ON
off
12
21
ON
ON
off
ON
off
11
22
off
ON
off
ON
off
10
23
ON
off
off
ON
off
9
24
off
off
off
ON
off
8
25
ON
ON
ON
off
off
7
26
off
ON
ON
off
off
6
27
ON
off
ON
off
off
5
28
off
off
ON
off
off
4
29
ON
ON
off
off
off
3
30
off
ON
off
off
off
2
31
ON
off
off
off
off
1
32
off
off
off
off
off
0
Lo ATT are used to control interference to BTS network. It is usually set UL
ATT= DL ATT+5dB to balance the downlink and uplink.
-- 3G Wide Band Repeater (Model: PORP23W)
http:www.redutelco.com © 2009 Redutelco | All rights reserved 11
User Manual
You can change donor antenna direction or installation position to get
bigger signal;
You can set attenuation to add or reduce repeater gain; or you can check
cable and connector link status to reduce cable loss and insert loss
between repeater and antenna.
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