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2. INTRODUCTION AND REASONS FOR WEAK CELLULAR

SIGNALS

Mobile Signal Booster is a perfect solution for providing improvement of cellular signal reception inside a house,

office, restaurant, VIP Room, apartment, building or shopping mall.

Generally cell phones cannot pick up or maintain a strong cellular signal due to one of the two following reasons:

1.

Location of the Nearest Base Station

– Base stations are used to provide broad coverage. However there are many

areas in which signal strength gets reduced due to topographic peculiarities or local Governmental restrictions
regarding the height or location of base stations. Rural areas generally have fewer base stations than urban regions.

2.

Natural and Man-Made Obstructions

– 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 and an Outdoor
antenna communicates with the base station (BS). The Outdoor antenna receives a signal from the BS and sends it

through the cable to the Signal Booster, where it gets amplified and re-transmitted by the Indoor antenna throughout

a building. When the Indoor antenna picks up a signal from your cellular device, the Signal Booster amplifies that
signal and transmits it through the cable to the Outdoor antenna and back to the BS.

(Note: The Signal Booster will only operate if there is an adequate signal to amplify.)

Summary of Contents for NS-EDWLL-Boats

Page 1: ...WWW MOBILE SIGNAL BOOSTERS CO UK INSTALLATION GUIDE REPEATER Nikrans NS EDWLL Boats Freq 900 1800 2100 2600 MHz Coverage Car Boat...

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: ...evice is able to amplify signal for several users at a go Nikrans NS EDWLL Boats has the following advantages Shut off function for preventing the booster from break downs in case of installation prob...

Page 5: ...15 1710 1785 1920 1980 2500 2570MHz MHz Down link freq 791 821 925 960 1805 1880 2110 2170 2620 2690MHz MHz Up link Gain 65 dB Down link Gain 70 dB Power supply AC 90 264V DC9V 7A 34W Working t C 25 5...

Page 6: ...will become boosted in your car A repeater kit includes Out of car Antenna Function To pick up outside signals from the base station and send them by cable to the repeater out of car antenna also tran...

Page 7: ...n 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...

Page 8: ...tenna s magnetic surface 5 Plug in the out of car antenna into the outdoor booster interface and fasten it tightly 6 Connect the Power adaptor to the cigar lighter If the indicator on the booster ligh...

Page 9: ...oscillations loop please enlarge the distance or make use of barriers between antennas or adjust the antennas angles and last step is to adjust the repeater by DIP switch Remark Please note that Alarm...

Page 10: ...ly please adjust Uplink gain according to Downlink gain The DIP Switches have default OFF status please push relevant switches to ON position if certain attenuation value needs to be achieved DIP swit...

Page 11: ...t 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 For dual system plastic closet Turn ON th...

Page 12: ...er s downlink output power reaches the perfect status If it shines green then Please check coverage effect firstly if the coverage effect is good the engineering has reached expecting target thus ther...

Page 13: ...l phone into Field Test Mode and see dB parameter The closer dB signal level to 0 the better cell phone reception you ll get 105 to 100 Bad drop call 99 to 90 Getting bad signal may break up 89 to 80...

Page 14: ...e repeater s power is on but the phone cannot get connected to the network and still can not communicate Reason There are loose or wrong connections in the repeater system Solution Please try to faste...

Page 15: ...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 16: ...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 17: ...this signal booster is in compliance with the essential requirements and other relevant provisions of Radio Equipment Directive RED 2014 53 UE CE marking support mobile signal boosters co uk 448000698...

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