JDTECK JD60-7-TB-US Wireless Cellular Repeater User Manual User s manual

JDTECK INC Wireless Cellular Repeater User s manual

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Users Manual

JD60-7-TB-US

Wireless Cellular Repeater

User’s Manual

Wireless Cellular Repeater User Manual

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1. SAFETY WARNINGS .....................................................................................................................................................3

2. WHY REPEATER............................................................................................................................................................4

2.1. REASON 1 .................................................................................................................................................................4

2.2. REASON 2 .................................................................................................................................................................4

3. INTRODUCTION.............................................................................................................................................................6

4. SYSTEM CHARACTERISTICS......................................................................................................................................7

4.1. FEATURES：..............................................................................................................................................................7

4.2. APPEARANCE OF THE TRIPLE BAND REPEATERS ...........................................................................................................7

5. BLOCK DIAGRAM AND WORK PRINCIPLE................................................................................................................8

6. THE REPEATER SYSTEM.............................................................................................................................................9

7. THE TRIPLE BAND REPEATER MAIN TECHNICAL SPECIFICATION.....................................................................10

7.1. MECHANICAL SPECIFICATION.....................................................................................................................................10

7.2. ENVIRONMENT CONDITIONS......................................................................................................................................10

7.3. RF TECHNICAL SPECIFICATION .................................................................................................................................. 11

7.4. REQUIREMENTS FOR ADAPTERS：............................................................................................................................12

7.5. REPEATER MODEL LIST ............................................................................................................................................13

8. INSTALLATION.............................................................................................................................................................14

8.1. INSTALLATION LOCATION REQUIREMENT ....................................................................................................................14

8.2. POWER REQUIREMENT .............................................................................................................................................14

8.3. INSTALLATION TOOLS AND ACCESSORY.......................................................................................................................14

8.4. INSTALLATION OF DONOR ANTENNA............................................................................................................................14

8.5. INDOOR ANTENNA INSTALLATION ....................................................................................................................................18

8.6 REPEATER INSTALLATION ...............................................................................................................................................19

8.4.1. Installation Steps............................................................................................................................................19

8.4.2. Repeater’s ports description ..........................................................................................................................21

8.4.3. Accessories selection.....................................................................................................................................21

8.5. REPEATER SETTINGS ...............................................................................................................................................22

8.5.1. Switch on power.............................................................................................................................................22

8.5.2. Manual Gain Control (MGC) ..........................................................................................................................23

8.5.3. GSM & DCS Band Settings............................................................................................................................24

8.5.4. WCDMA Band Settings..................................................................................................................................25

8.5.5. Adjusting System Isolation.............................................................................................................................27

8.5.6. Detecting Repeater ........................................................................................................................................28

8.6. SYSTEM TEST ..........................................................................................................................................................28

8.6.1. Check whether the coverage is good.............................................................................................................28

8.6.2. Repeater can not communicate in Power-ON status.....................................................................................29

9. HOT LINE.........................................................................................................................................错误！未定义书签。

Wireless Cellular Repeater User Manual

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Preface

This user’s manual describes the installation, commissioning and maintenance of

JD60-7-TB-US Wireless Cellular Repeater.

Please do read the user manual carefully before installing and maintaining the triple band

repeater.

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：

z Repeater should follow system requirement of communication equipment, assure good

groundings and lightning protection.

z 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.

z Do not dismantle machine, maintain or displace accessories by yourself, because in

this way, the equipment may be damaged or even get an electric shock.

z Do not open the repeater; touch the module of repeater, or to open the cover of

module to touch the electronic component, the components will be damaged due to

electrostatic.

z Please keep away from heating-equipment, because the repeater will dissipate heat during

operation. And do not cover repeater with anything that influences heat-dissipation.

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2. Why repeater

2.1. Reason 1

1) Blind or weak signal areas are formed if the buildings are too far away from BTS, or the buildings

themselves shield or absorb the signals.

2) There are too many complicated signals in the higher part of the buildings, therefore ping-pong switching

effect has been formed and the signals fluctuate a lot, there are annoying noises during phone calls and

there are dropped phone calls accordingly.

3) Elevators and basements are well-known blind areas.

4) Downtown areas of the cities, congested with many high-rise buildings are usually the weak or blind

areas.

2.2. Reason 2

The remote villages, mountains, hills, valleys, etc. are mostly scarcely populated areas with quite few mobile

users, so the main target is to send coverage to these areas, and it will not be cost effect to install a BTS tower,

therefore a repeater is a quite good option.

Can we not use mobile phones? The answer is definitely NO. But it might be much more miserable that the

communication can’t be achieved due to no or weak signals though there is a mobile phone.

Will your customers stay comfortable when there is no smooth communication in your shops or restaurants?

Will your business be influenced if your clients couldn’t call you through due to weak signals in offices?

Will your life be influenced if your mobile is always “out of service” at home when your friends call you?

How to solve the problems?

Best Solution:

Plug & play: Purchase a set of repeater solution and install it at your home, offices, and plug on the

power and immediately you would be able to enjoy the full bar and high quality signals!

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Question: Will repeater increase the RF radiation?

A: No, it will decrease instead.

As it can be searched easily through internet, the tower would “order” the mobile phone to increase its output

power, in order to ensure successful connection when the mobile signal bar is few, there will be stronger mobile

output power level when the mobile signal bar is less and the strongest one can reach 2W (GSM); moreover,

the mobile phone is usually as near as less than 5cm to human body when people are in phone calls. Not only

it influences badly the human bodies, but also run out of the battery power much more quickly; usually the

mobile phone gets hot in such status.

The maximum power level of JD60-7-TB-US is 0.01~0.1W, and it decreases to be maximum 0.003W when

reaching server antenna. And since the server antenna is installed over the ceiling or onto the wall, there are

usually more than 3 meter away from the human body, 3meter away means at least 40dB propagation loss, or

10000 times less, 0.0000003W, therefore it is too weak to influence human bodies though it is still a very good

signal for mobile phones.

And when a repeater is installed, it improves the mobile signals in the coverage, and the successful phone call

can be connected easily with a much less power level of the mobile phone, thus it will reduce tremendously the

RF radiation.

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3. Introduction

This JD60-7-TB-US full duplex mobile communications repeater from JDTECK INC 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 possible. One repeater covers 300 to 600 square meters.

It is designed to improve the call quality of an area by receiving, amplifying and re-transmitting signals of the

base station into a specified area via the server antenna of the repeater.

This repeater has Manual Gain Control (MGC) feature that enables engineers to reduce the gain of the repeater

manually if oscillation is detected or too strong input power level during installation, this will help to get the best

coverage effect without any interference back to mobile network.

And to maintain safe and specific output signal levels during the repeater’s operation, this repeater has a 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 indicate its environmental status: the Alarm LED’s located on the front

of the unit (Alarm Low & Alarm High) will change color from green to orange or red, (depending on the input

power level) if the system detects signal oscillation in either band or, if the input signal is beyond a safe limit.

Below diagram shows how simple and fast repeater system is installed and works effectively: one wide band

directional antenna, as a donor antenna, has been installed at the top of the roof to pick up good mobile signals

from outside, and send through a 5D-FB cable to a JD60-7-TB-US repeater to be amplified significantly, then the

output signals are divided into three signals by a 8dB coupler and a 2way splitter, sent to three indoor omni

antennas and finally transmitted into the coverage area. Very clear phone call or high speed mobile data services

are immediately effected within the area.

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4. System Characteristics

4.1. Features：

z CE Certified 　

z Streamline shape

z Excellent out of band rejection.

z Wide power supply range and low power consumption　

z High-integration (One board to contain low-noise amplifier, band pass filter, power amplifier module,

both uplink and downlink one for all)

z Wide band repeater to support all signals within three systems. 　

z Manual gain control provides a variety of applications.

z MTBF>50000h, low failure rate

4.2. Appearance of the triple band repeaters

Figure 1 shows the front view (colors may differ from real products).

Figure 2 Front view of repeater

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5. Block diagram and work principle

The triple band repeater is a bi-directional repeater that consists of three mobile systems, the three systems

are combined together by a combiner, and each system gets their independent uplink and downlink power

amplifying system, and each link consists of duplexer, LNA, Filter and PA. The triple band repeater downlink

receives, amplifiers and retransmits the signals over the air from BTS to the coverage area; at the same time,

the uplink receives, amplifies and retransmits the signals of MS back to BRS, therefore a successful

communication is accomplished.

Modules in the system diagram:

z Combiner: a combiner helps to combine signals of three mobile systems together, and at the same

time to keep independence of each system and avoid their interference of each other.

z Duplexer: The main purpose of duplexer is to combine downlink and uplink to share the same

antennas, the duplexer is composted of one pair of band pass filter that can not only reject the

spurious interference, but also increase the isolation of Uplink and Downlink

z LNA: LNA is the first active sub system of the repeater, of which low noise and high linearity is

requested under strong input signals. LNA is the major sub system that determines the noise figure

of the repeater system.

z PA: The power amplifier sub system helps the repeater to reach its targeted output power, linearity

of which decides the linearity of the repeater

z Power supply is to supply power electricity to all repeater’s modules

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6. The repeater system

z Donor Antenna：

¾ 5~7dbi outdoor panel or 7~9dBi wide band Yagi are recommended as donor antenna.

¾ Function: Pick up donor signals from the BTS and send to the repeater by cable; the received

signals’ power level and quality influence a lot on the coverage effect. Donor antenna also

transmit the uplink signals from the repeater to BTS.

z Server Antenna:

¾ 2~3dBi indoor omni ceiling or 5~7dBi indoor panel are recommended.

¾ Omni antenna (Indoor ceiling omni antenna or whip antenna), suitable to installed in the center

and radiate all direction; It is better to use a directional panel antenna or Yagi when the coverage

shape is long and narrow (corridors, long row of houses in two sides, tunnels or elevators or rural

open space)

z Cables: LMR 300 or 400, 5D or 8D –FB coax cables are recommended.

z Splitters or couplers: when the building structure is too complicated or there is big loss due to thick

walls, etc., splitters or couplers shall be used so that more antennas can be installed in more areas

to distribute the signals to each corner of the coverage area.

z Power Box including electricity meter, air switch and groundings, some sites might need surge

arrestors.

z Note: because this triple band repeater is a broadband repeater, so band in requirements contain

antenna, splitter and coupler in this system is 880-960MHz and 1710-2170MHz.

z This device complies with part 15 of the FCC Rules. Operation is subject to the following two

conditions: (1) This device may not cause harmful interference, and (2) this device must accept any

interference received, including interference that may cause undesired operation.

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z Changes or modifications not expressly approved by the party responsible for compliance could void

the user's authority to operate the equipment.

z This equipment complies with FCC radiation exposure limits set forth for uncontrolled

environment .This equipment should be installed and operated with minimum distance 400cm

between the radiator& your body.

7. The triple band repeater Main technical specification

7.1. Mechanical specification

SN Item specification

1 Dimensions 250x 330 x 53 mm

2 Weight 4.5kg

3 Environment Conditions IP40

4 Cooling mode Nature cooling

7.2. Environment Conditions

SN Item specification

1 Operating Temperature -25°C to +55°C

2 Storage Temperature -40°C to +80°C

3 Humidity 5% to 85%

4 Air Pressure 86 kPa to 106 kPa

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7.3. RF technical specification

NO：

Uplink

Test Project Test Condition Index Require

824～849MHz（GSM/CDMA）

1850～1910MHz（PCS/CDMA）

Frequency Range

1710～1755MHz（AWS）

Band Width GSM/CDMA：25MHz, PCS/CDMA：60MHz, AWS：

45MHz

Max .Gain Testing in working band(without control) 63±1dB

ALC Output Center frequency（deep control 10dB） 10±10dBm

ALC Center frequency(deep control 1～20dB) |△|≤2.0dB

AGC Center frequency, deep control 15～20dB(red) Shut off

CDMA ≤8dB

GSM/PCS ≤10dB

Gain Flatness Testing in working

band

AWS ≤6dB

1～10dB,1dB step |△|≤1.0dB

11～20dB,1dB step |△|≤1.5dB

Gain control error Center frequency

21～30dB,1dB step |△|≤2.0dB

9KHz～1GHz ≤-36dBm

Intermodulation

Center frequency, double

audio signal interval 600KHz

（deep control 10dB） 1GHz～12.75GHz ≤-30dBm

9KHz～1GHz ≤-36dBm

Spurious Emission

Output

inter-modulation 1GHz～12.75GHz ≤-30dBm

Input V.S.W.R Testing in working band ≤ 3.0

Output V.S.W.R Testing in working band ≤ 3.0

Group Delay Testing in working band ≤ 0.5us

Noise Figure Testing in working band(Max gain) ≤ 8dB

Downlink

Test Project Test Condition Index Require

869～894MHz（GSM/CDMA）

1930～1990MHz（PCS/CDMA）

Frequency Range

2110～2155MHz（AWS）

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Band Width GSM/CDMA：25MHz, PCS/CDMA：60MHz, AWS：

45MHz

Max .Gain Testing in working band(without control) 67±1dB

ALC Output Center frequency（deep control 10dB） 15±10dBm

ALC Center frequency, deep control 1～20dB |△|≤2.0dB

ALC deep control 1～5dB Orange

AGC

Center frequency

deep control 15～20dB red and shut off

CDMA ≤8dB

GSM/PCS ≤10dB

Gain Flatness Testing in working

band

AWS ≤6dB

1～10dB,1dB step |△|≤1.0dB

11～20dB,1dB step |△|≤1.5dB

Gain control error Center frequency

21～30dB,1dB step |△|≤2.0dB

9KHz～1GHz ≤-36dBm

Intermodulation

Center frequency, double

audio signal interval 600KHz

（deep control 10dB） 1GHz～12.75GHz ≤-30dBm

9KHz～1GHz ≤-36dBm

Spurious Emission

Output

inter-modulation 1GHz～12.75GHz ≤-30dBm

Input V.S.W.R Testing in working band ≤ 3.0

Output V.S.W.R Testing in working band ≤ 3.0

Group Delay Testing in working band ≤ 0.5us

Noise Figure Testing in working band(Max gain) ≤ 8dB

Remark：

1,Power supply 12V/5A

2,Shut off function, about 5 second

7.4. Requirements for adapters：

SN Item Minimum Typical value Maximum

1 Input Voltage Range 100 V 220 V 264 V

2 Output Voltage Range 47 Hz 50Hz 63 Hz

3 Total Power Consumption 50W

Wireless Cellular Repeater User Manual

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7.5. Repeater Model List

MODEL NO：JD60-7-TB-US -GDW

Device Type F: Wide band consumer repeater

Power rating

10: downlink output power is 10dBm

15: downlink output power is 15dBm

20: downlink output power is 20dBm

C: GSM850 or CDMA800

P: PCS or CDMA1900

A: WCDMA1710-2155

CP: dual band C (GSM850 or CDMA800) & P (PCS or CDMA1900)

System code

CPA: Triple band C (GSM850 or CDMA800) & P(PCS or CDMA1900) &

A (WCDMA1710-2155)

Device Type

Power rating

System code

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8. Installation

The triple band repeater micro repeater should be used to cover the area indoor and the humidity and

temperature of working can affect the reliability of repeater. So, temperature, humidity, dust, interference, power,

space requirements and other factors should be considered during installation of repeater.

8.4. Installation Location Requirement

1) It is appreciated that the repeater is installed in a cool, dry and ventilated room without erosive gas and

smoke and without leakage on its proof.

2) Besides above, a cool and ventilated wall of which sun-proof and waterproof is expected.

3) Besides above, common wall, tower or high pole is ok.

4) Installation height should be easy for RF cable wiring, heat dissipation, security and maintenance.

5) Have a set of independent and stable power supply.

6) Have lightning conducer in the building, tower or high pole with enough strength or stability.

8.5. Power requirement

Generally it is AC power supply，and the requirement of AC is 100~264VAC/50±5Hz

8.6. Installation tools and accessory

No. Name Specification Quantity Remark

1 Plastic Expansion Bolt M5*24 6 Standard accessories

2 Tapping screw M3*27 4

Standard accessories

3 reciprocating drill 1

Engineering-owned, punch the

wall

4 Shot bit M3 1 Engineering-owned, punch the

wall

8.7. Installation of donor antenna

The repeater’s main function is to improve weak RF signals to an area. A simple formula: Input power+ Gain=

Output power. The signal strength from the outdoor antenna directly affects the efficiency of the indoor coverage.

It is very important to choose the location of the outdoor antenna carefully. With this in mind, it is not

Wireless Cellular Repeater User Manual

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recommended the donor antenna to be installed in an attic.

 Testing the signal strength received from donor antenna mounted in site by mobile phone:

z Please select the top of the building to install the donor antenna if the total floors are less than 7,

and must select a place like balcony or platform lower than 7th floor for the donor antenna if the

buildings are over 7 floors.

z The mobile phone shall display full bar signals in location where the donor antenna is installed

z The phone calls or data transmission are smooth and stable by 3 times testing in location where

the donor antenna is to be installed

z As shown from the above illustration, testing the signals from A to E, and select a best place that

displays full bar signals to install the donor antenna.

 Selection the installation direction of donor antenna

z The donor antenna shall point to the direction of the tower, and it would be much better to keep

line of sight.

z Please select the opposite directions for donor antenna and server antenna. If donor and server

antennas have to be installed in the same direction, please install them only after the signal

quality is tested and the self-oscillation is avoided. If the directional antenna is selected, the

main directional angle should point to the tower antenna.

z If the performance is poor due to weak signals or poor phone call quality after installation, please

adjust the direction of donor antenna or change its installation position in order to obtain the best

calling effect.

 Donor antenna installation ---Notes:

z Do not install the donor antenna during the rainy day with lightning.

z Please follow the instructions to install the donor antenna.

z It is a must that the waterproof shall be done to connectors of donor antenna and feeder lines.

z In order to avoid interference, please note that the donor antenna should be far away from the

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following objects.

 Metal

 High-voltage line

 RF antenna

 High-voltage transformer

z Repeater is a two-way signal amplifier. So proper isolation between donor antenna and server

antenna is necessary in order to avoid self-oscillation. About the definition for self-oscillation,

take MIC and loudspeaker for example; if it is too close for each other, it could make big noise.

So the repeater can run smoothly if the isolation between donor antenna and server antenna is

15 dB higher than the gain of booster. For example, if the booster gain is 60 dB, then the

isolation between donor antenna and server antenna should be 75 decibel.

 The minimum distance between donor antenna and server antenna is 10 meters, again the

direction of donor and server antennas shall be opposite.

As shown in the below illustration, the booster amplifies the signal R and signal T from the tower

at the same time. If the distance between donor antenna and server antenna is less than the

required distance, then the amplified signal R (T) will back to server antenna (donor antenna). So

it will lead to self-oscillation and reduce the coverage area, also the bad calling quality could

happen at the same time.

If isolation can’t be achieved by the limited distance, the roof of the building or other barriers can

be used to increase isolation.

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 Installation of panel antenna as donor antenna

 Installation of wide directional antenna as donor antenna

 Installation of YAGI antenna as donor antenna

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 Test the call quality of donor antenna

Fix the donor antenna after selecting the best position, and adjust slightly its height or angles in

order to get the signals with suitable input power level and calling Quality

z System Requirement of GSM or DCS

1) The total input power level shall be around -50dBm, lowest shall be more than –80dBm

2) Test by mobile phone or data card by 3~5 times to make sure the calling quality is good

in 95% of the time, and no handovers.

3) It is requested that the leading BCCH shall be 6dBi higher than the second (for

professional engineering reference only).

z System Requirement of WCDMA

1) The total input power level shall be around -50dBm, lowest shall be more than –70dBm

2) Test by mobile phone or data card by 3~5 times to make sure Ec/Io is more than –7dB,

and no handovers.

3) Ec/Io of adjacent carrier shall be 8dB less than that of donor carrier to avoid soft

handover. The active PN shall be only 1.

8.5. Indoor antenna installation

Proper antennas shall be selected according to the site conditions and the requirement.

Omni antenna (Indoor ceiling omni antenna or whip antenna), suitable to installed in the center and radiate all

directions

Lightening

Test Engineer Phone

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It is better to use a directional panel antenna or Yagi when the coverage shape is long and narrow (corridors,

long row of houses in two sides, tunnels or elevators or rural open space)

8.6 Repeater Installation

8.7.1. Installation Steps

The triple band repeater shall be installed in indoor areas only

Drill holes on the selected place and install expansion bolts.

Align the holes on the installing support with the expansion bolts, keep the installing support vertical, place

flat washers, spring washers, and nuts in turn, and tighten the nuts to fasten the installing support.

Place the repeater on the support and fasten it.

Connect cables and power cables to the repeater respectively.

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After installing the repeater as described as above, power on the repeater to check the operation status.

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8.7.2. Repeater’s ports description

Outdoor port: connected with the donor antenna by cable

Indoor port: connected with server antenna directly or by cable

DC IN: connected with power supply.

Note: The indicator LED and DIP Switch attenuation in the three system above,from left to right,

respectively is GSM, DCS and WCDMA .

8.7.3. Accessories selection

Please pay attention to the two points of “frequency” and “impedance” during the selection of the accessories.

All accessories shall support the repeater’s frequencies from feeder line, antenna and splitter to combiners etc.

For example, the repeater’s frequency is GSM900+DCS1800+WCDMA, so all the accessories must support the

890MHz~2170MHz frequency. And the repeater’s impedance is 50ohm, so the accessories shall all be 50ohm.

To use any other impedance of coax will put an extra load on your repeater, shorten its life span and decrease

the system performance.

Power adaptor

DC in

Outdoor port:

Connect the Donor

Antenna

Power Indicator LED

Indoor port: Connect

the Sever Antenna

Grounding

DIP Switch attenuation

Power ON/OFF

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8.8. Repeater Settings

Please check very carefully all cable connections are correct and firm before running operation test and then

carry out following tests

8.8.1. Switch on power

After power is on, check firstly the alarm and power LEDs.

z Status and definition of POWER indicators:

z Status and Definition of ALARM indicators,

Status ALARM

It is working in linearity

Green

attention: Input signals may be not enough

Red There are overloading or self oscillation, strong input signals, measures shall

be taken

It is working in linearity

Orange Attention: Please adjust MGC to increase the attenuation value, till you find the

“edge point” ( I.E. the Alarm LED shall stay at green color, with intention of

turning Orange), and let the repeater work at this point.

Off Repeater break down

Remark:

Please note that Alarm LED works on repeater downlink signals only, I.E. the repeater input signals

from BTS.

Status Definition

Green Normal

Off DC power problem

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8.8.2. Manual Gain Control (MGC)

z Note: GSM as example, the rest two system is the same as GSM.

z DIP switch uplink attenuation setting:

Att 1 2 3 4 5 Att. 1 2 3 4 5 Att. 1 2 3 4 5

0 dB off off off off off 11dB ON ON off ON off 22dB off ON ON off ON

1 dB ON off off off off 12dB off off ON ON off 23dB ON ON ON off ON

2 dB off ON off off off 13dB ON off ON ON off 24dB off off off ON ON

3 dB ON ON off off off 14dB off ON ON ON off 25dB ON off off ON ON

4 dB off off ON off off 15dB ON ON ON ON off 26dB off ON off ON ON

5 dB ON off ON off off 16dB off off off off ON 27dB ON ON off ON ON

6 dB off ON ON off off 17dB ON off off off ON 28dB off off ON ON ON

7 dB ON ON ON off off 18dB off ON off off ON 29dB ON off ON ON ON

8 dB off off off ON off 19dB ON ON off off ON 30dB off ON ON ON ON

9 dB ON off off ON off 20dB off off ON off ON 31dB ON ON ON ON ON

10 dB off ON off ON off 21dB ON off ON off ON

z DIP switch downlink attenuation setting:

Att 6 7 8 9 10 Att. 6 7 8 9 10 Att. 6 7 8 9 10