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INSTALLATION GUIDE

CELL PHONE AMPLIFIER

Nikrans BD-300GDW

Freq.: 900, 1800, 2100 MHz

Coverage: 3300 ft²

Summary of Contents for BD-300GDW

Page 1: ...WWW MOBILE SIGNAL BOOSTERS SHOP INSTALLATION GUIDE CELL PHONE AMPLIFIER Nikrans BD 300GDW Freq 900 1800 2100 MHz Coverage 3300 ft ...

Page 2: ...eet security requirements any operation shall be carried out only after turning off power in advance Only the professional is authorized for the operation Do not dismantle machine maintain or replace its components by yourself because this way the equipment may be damaged and you may even get an electric shock Do not open the repeater touch the module of the repeater or open the cover of the modul...

Page 3: ... Signal strength can also be negatively affected by trees hills buildings weather and other obstructions You may be relatively close to a base station but still unable to make a call This often occurs inside houses offices and other buildings with stucco concrete or metal walls that may block the signal The Signal Booster works with two antennas An Indoor antenna communicates with your cell phone ...

Page 4: ...ster is compatible with It works with 900 1800 2100 MHz These frequencies are widely used by services providers in Africa Asia and Europe The range of the supported brands allows this booster to improve GSM 3G and 4G LTE signals simultaneously for clients of different operators in numerous countries Among all the advantages of this BD 300 GDW model we should mention Compact size and stylish design...

Page 5: ...MHz 1710 1785MHz 1920 1980 MHz Down link freq 925 960MHz 1805 1880MHz 2110 2170 MHz Up link Gain 70 2 dB Down link Gain 70 2 dB Power supply Input AC110 240V output DC6V 12A 3A Working t C 25 55 Humidity 5 95 Size mm 220 175 47 Booster Weight 1 75 kg dBm 20 dBm ...

Page 6: ...e band Yaggi is recommended Function To pick up outside signals from the base station and send them by cable to the repeater outdoor antenna also transmits the uplink signals from the repeater back to the base station Indoor Antenna It is mounted inside a building to transmit the improved signals throughout the coverage area Cables Сoaxial cables for indoor and outdoor antennas Mountings Special m...

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Page 8: ...e of the building aiming away from the building which will reduce amount of possible obstacles For your convenience and acceleration of the process perform the testing in pair The mobile phone shall display full bar signals in location where the outdoor antenna is installed Phone calls or data transmission shall be smooth and stable It is recommended to test the signal 3 times in location where an...

Page 9: ...per isolation measures if they have to be placed on the same cable racks owing to the site condition restrictions 3 Fasten all connection parts of the whole system in correct order from the antenna to repeater interfaces and make sure that the electrical interfaces are well contacted Give waterproof treatment to outdoor connection parts 4 Take lightning protection measures for the antenna and feed...

Page 10: ...ggi antenna when the area shape is long and narrow corridors long row of houses in two sides tunnels or elevators or rural open space Requirements to indoor antenna installation indoor antenna should be 5 meter distance from an outdoor antenna indoor antenna should be at least 2 meters above the ground indoor antenna should be fixed vertically with the ground ...

Page 11: ...or smoke or on a cool and ventilated wall to ensure excellent heat dissipation 2 Installation height should be sufficient for RF cable wiring heat dissipation and maintenance 3 Independent and stable power supply is necessary 7 1 2 Power requirement Generally AC 100 264V AC 50 5Hz power supply is required 7 2 Installation Steps 7 2 1 Installation schemes Installation with 1 indoor antenna ...

Page 12: ...e placed as straight as possible in order not to create any hindrance for signal reception and its transmission 2 Cables should be shortened to the acceptable maximum so that not to waste or decrease mobile signal coverage range 3 In order to prevent water from coming into the mobile phone booster through the cable make a loop in it 4 Keep the outdoor antenna as far as possible from frequency aeri...

Page 13: ...C IN connected with power supply 7 2 3 Accessories selection Choosing accessories pay attention to the two characteristics frequency and impedance All accessories shall support the repeater s frequencies For example if the repeater s frequency is GSM900 all the accessories must support the GSM900 frequency 7 3 Repeater Settings 7 3 1 Indicator Light Instructions ...

Page 14: ...oor antenna instead of 2 in case the area to cover is small if distance between two antennas is less than 3m Accessories selection Choosing accessories pay attention to the two characteristics frequency and impedance All accessories shall support the repeater s frequencies LCD screen indicators 1 Introduction screen which is displayed for a few seconds during the system loading ...

Page 15: ...he sign O Output power Can be negative with or positive with Note For optimal performance of the booster the Output power must be positive AGC Automatic Gain Control means function activated system working properly Automatic Gain Control failed system needs adjustment OSC Anti Oscillation function means function activated system working properly Anti Oscillation function failed system needs adjust...

Page 16: ...e indicates how much the gain has been reduced according to the input signal strength This message means that the outdoor signal detected by the booster is not good enough Solution 1 Check if the external antenna is connected firmly to the BS port Make sure the external cable is not damaged Solution 2 Direct the external antenna to provider s nearest base station Solution 3 Change the position of ...

Page 17: ...an work normally If the BS is too weak it ll be necessary to adjust the position of the outdoor antenna by raising it as high as possible on a pole on the rooftop and pointing it towards the provider s nearest base station If the BS is higher than 50 dBm the device will have a self excitation issue In those conditions the output signal will drop during communications If the two antennas are placed...

Page 18: ...e indoor antenna is installed correctly or not you may try to change the antenna location to improve coverage Check if it is necessary to adjust the direction of the indoor antenna Check whether it is necessary to add one or more antennas to enhance the coverage in special areas For maximum precision in signal level testing switch your cell phone into Field Test Mode and see dB parameter The close...

Page 19: ...e building to enlarge isolation Please try to place the outdoor antenna and indoor antenna on different floors Use some obstacles Such as walls 2 The repeater s power is on but the phone cannot get connected to the network and still can not communicate Reason 1 There are loose or wrong connections in the repeater system Solution Please try to fasten the connections between different parts of the s...

Page 20: ... installing the repeater what should I do Check if the repeater s power supply works normally or not 3 If repeater s power supply is normal ALM light is on or flashing all the time what should I do Firstly check whether all connectors are connected well or not If it is all right please adjust the direction of the outdoor and indoor antenna Make sure the horizontal distance is 75 feet or more the v...

Page 21: ... in one solutions covering up to 5000 m2 Depending on the model boosters operate in GSM DCS CDMA LTE or combination of these standards at 850 2100 MHz frequencies The product line is extended with a series of antennas splitters and other accessories for completing exclusive custom projects of any difficulty level Nikrans product development process is rigorously assessed to comply with ISO 9001 20...

Page 22: ...s signal booster is in compliance with the essential requirements and other relevant provisions of Radio Equipment Directive RED 2014 53 UE CE marking info mobile signal boosters shop 448000698689 Sales www mobile signal boosters shop ...

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