Nikrans NS-550GDW Installation Manual Download Page 1

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INSTALLATION GUIDE

CELL PHONE AMPLIFIER

Nikrans NS-550GDW

Freq.: 900, 1800, 2100 MHz

Coverage: 5400 ft²

Summary of Contents for NS-550GDW

Page 1: ...WWW MOBILE SIGNAL BOOSTERS SHOP INSTALLATION GUIDE CELL PHONE AMPLIFIER Nikrans NS 550GDW Freq 900 1800 2100 MHz Coverage 5400 ft...

Page 2: ...et 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 i...

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...

Page 4: ...900 and 2100MHz In addition this triband repeater will also boost 4G Internet at 1800MHz frequency band As a result you get an opportunity to improve GSM 3G and 4G signals at the same time Here are a...

Page 5: ...eq 890 915 1710 1785 1920 1980 MHz Down link freq 935 960 1805 1880 2110 2170 MHz Up link Gain 60 dB Down link Gain 68 dB Power supply Input AC90 264V output DC5V 2A Working t C 25 55 Humidity 5 95 Si...

Page 6: ...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...

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Page 8: ...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 di...

Page 9: ...er 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...

Page 10: ...gi 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 b...

Page 11: ...r 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 p...

Page 12: ...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 m...

Page 13: ...ics 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 Repeate...

Page 14: ...ystem have two sets of power and alarm LEDS and three system repeaters have three sets of LEDS Each system has own relevant LED and please refer to the correct LED for system performance evaluation Th...

Page 15: ...ip switches to reduce gain as follows Put ON a pair of switches for a total of 15dB reduction in gain DL1 UL1 Alarm Low For 800MHz or 900 MHz Band DL2 UL2 Alarm High For 1700 1800 1900 2100 MHz Band R...

Page 16: ...N a pair of switches for a total of 15dB reduction in gain DL1 UL1 Alarm Low For 800MHz or 900 MHz Band DL2 UL2 Alarm High For 1700 1800 1900 2100 MHz Band For triple system metal closet For example F...

Page 17: ...as not been set it indicates that the input power is not strong enough to let the repeater reach its good coverage If the coverage effect is not good the donor antenna should be adjusted to get strong...

Page 18: ...cell phone use bars on the screen of your mobile phone to evaluate the change If the signals in most areas have not been improved please check recommendations below again Weak input signal leads to lo...

Page 19: ...sures Firstly check whether the alarm LED lights The light may indicate the isolation is insufficient Secondly adjust the antennas directions or locations or enlarge distance between them Thirdly redu...

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 Fir...

Page 21: ...nd all 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 wi...

Page 22: ...t this 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 44800069868...