Nikrans NS-550GDW Скачать руководство пользователя | Manualshive

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1. Omni antenna (ceiling Omni or whip antenna) shall be installed in the center and radiate all directions.

2. It is better to use a directional panel antenna or Yaggi 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.

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Содержание NS-550GDW

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 7: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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