VOTK Cell Phone 3G Signal Booster 3G UMTS 2100MHz Mobile Phone Signal Amplifier 3G signal repeater with 18dbi yagi antenna

VOTK Cell Phone 3G Signal Booster 3G UMTS 2100MHz Mobile Phone Signal Amplifier 3G signal repeater with 18dbi yagi antenna
  • Продавецwww.oaklandraidersvsbuffalobills.us
  • Список ценUS $39.95piece
  • Продажная ценаUS $39.95piece
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Oписание продукта

"Any dispute / Direct negative feedback"  before contact means "Buyer bad " !! And not welcome such buyer !! Please go away !!( Because business is cooperation ,not fight each other ) .

If protection time is running over ,please contact to extend time ,
if any problem found ,please contact to solve by a friendly way .



******Important Note ( please read , and please read all descriptions carefully ) ************:
To let a booster work it needs conditions :

1. please be sure that signal outside of your house is good enough to enable booster to work , what good signal is:

a). stand there to check if you can make fluent call or not,if can ,then you buy ,otherwise please dont buy ;
b). Put your phone there to check its signal strengthness :
Android : setting-about phone-status-network ,dbm display shall be at -60dbm to -75dbm around ;
IOS : dial *3001#12345#*, dbm display shall be at -60dbm to -75dbm around ;

-80dbm to -100dbm means bad,so please dont buy

2. Please be sure the place where you are going to install is 3G 2100mhz.
3. Install them correctly to avoid interference ( auto osillation ) with walls between indoor & outdoor antenna, when interference exist ,LCD will display full signal bar or signal LED normal on, but phone can not make call .

For avoiding unhappiness ,please do not buy before you are clear about the above .


Selling point of product : 

1.  the kits here is 1 antenna for 150 sq meters in open space or only 1 room , 2 antennas for 300 sq meters or only 2 rooms
2.  WCDMA 3 G booster;
3.  2100mhz booster  ;

4.  LCD  display function ,can display signal strongness which it receives from outdoor antenna .

5. With antennas ( outdoor yagi ,splitter ,and indoor ceiling antennas );
6. With total 21m cable

Dont need to buy more accessories . When you receive , you can use directly !!!!!

1 3g
Content :
1 pcs booster 980;

1 pcs of yagi for outdoor 
2 pcs of ceiling antennas for indoor  ;
4 pcs of cable ( 15m ,5m ,5m, 2m ) ,
1 pcs splitter ;
1 pcs power supply

LCD  display function ,can display signal strongness which it receives from outdoor antenna , the signal  bar will be full black if the signal is received very good  :

LCD display as below with gain indication :


A : Booster



Voltage :  220V AC/DC12V 2A
Frequency range : 


                    1930MHZ--1990MHZ  (uplink)
                    2110MHZ--2180 MHZ (downlink)

Gain :    

Uplink ≥58dBi         Donwlink ≥60db
Output power :  
                          Uplink:   20dbm
                          Donwlink :20dbm 


Outdoor signal strength request for outdoor antenna: at least -65dbm around ;
If you can have a android phone ,you can use it to test your signal strengthness as below :


For this product ,it will request signal strengthness not higher than -55dbm , if your signal strenght is worse to -55dbm ,it may work not good for you or not amplify signal for you .


PS.: -65 ,-70 and -80 dbm is worse signal than -60dbm ,-55dbm is better signal than -60dbm .

Impedance : 50OHM  ;
Seclusion  : >70db 

Ambient temperature:-10oC--50oC

Configuration:   12V/2A prower

Net weight : 0.42kgs .

Gross Weight  :0.59Kg 

Signal coverage area :Max. support 500 sq meters. it will be different according to your using condition and the indoor antennas which you are using .

B.  Outdoor Antenna ( Yagi ):

1. Frequency       :       806-960(MHz) & 1700-2500(MHz)

2. Input Impedance        :  50(Ω)3. Gain:9dBi
4.  Seclusion      :     ≤1.5
5.  Gain              :    10 dBi

6. Power             :   50W
7. Size:42.5X10cm ( reference only,maybe a little difference with the real ) 
8. Net weight:0.28kg(reference only,maybe a little difference with the real 
9. Waterproof : YES



C .  Indoor Antenna : 

1.  Antenna max. 250-300 square meters suitable ;
2.  Gain: 3 dbi ;
3.  Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;
4.  Max. power : 
50W ;
5. I mpendance : 
50Ω  ;
6.  Seclusion : ≤1.5

7.  Size : Φ180×90
8.  Connector : N ;

9.  Case : ABS material ;

10.  Bandwidth : 83Mhz .
11.  Packing : Brown carton ;
12.  Net weight :0.2kg

900 1800 2.jpg


D. Cable :

1.  Coaxial cable ( 50-5 ) ;
2.  Impendance : 50Ω, RG :5 

3.  Length : 1x 10 meters for  outdoor antenna  ,2x 5 meters for indoor antennas; 1 x 1 meters for booster to splitter  ;
F/N  connector included ( for one set only ). 
5.  coverage : 300 square meters around

If you need more long cable , please contact .

50-5 alum 1



E. Power splitter :



Electrical Specifications         

Frequency Range(MHz)800~2500
Insertion Loss (dB)≤3.5
Working-band Ripple (dB)≤0.3
Power (W)200
Mechanical Specifications 
Input ConnectorN-Female
Output Connector2 X N-Female
Operating Temprature(deg)-30~65
Material & Plating 
Inner Conductor MaterialSpring Bronze
Inner Conductor PlatingSilver Plated
Outer Metel MaterialAluminum



Note :
1. To use this product to enlarge your signal, the outdoor signal shall be as good as possible , the signal in your mobile phone shall be full and must be very stable for talking  . The product will not work good if our outdoor signal is not good or bad .

2. We will not bear any responsibility of your outdoor antenna is not good .
And if your outdoor signal is not full , for example, the full signal shown in your phone is 5 bars, and you can only have  it 4 bars , you can choose other kits .


3. If your room is empty and no obstacle , no walls, each indoor antenna can max. enlarge to use for 150 square meters max. . but normal recommend for 50-100 square meters normally in open space and only 1 one room.


4. shipping by air mail for this kits will be partial ,total 2 shipments .


Note :
This kits ok for 400sq meters around in open space ( home , office ,hall ) ,if you have different rooms , we only promise 1 antenna for 1 room  .


Problems and solutions ( important ) , please read :

All booster will be tested before shipping to ensure quality , if you dont know any about booster and installation please start from 0 as below .

1. After power connected ,if LCD does not display or power LED is not on ,it means booster is defective ,kindly choose a friendly to solve it ,we accept to reship or refund. Andy dispute or negative will cause you on black list and an uncooperative solution ;

2. After you connet cables and antenna onto booster ,Lcd display 1-3 bars, you need to change your external antenna to a better place to gain stronger signal, if you use small pin antenna ,please upgrade it to a panel or a yagi ; If you can not find a place with good signal to enable booster with full bar display ,it means your outdoor signal is too bad ,booster will not work . So please kindly contact for a solution to return .


3. After you connet cables and antenna onto booster ,Lcd display full bar or signal LED is on ,but phone can not make call , it means big interference ( not booster quality problem ) which cause booster dead called auto osillation , so you need ( indoor and outdoor antenna can not see each other ) :
1). Use longer cable to enable outdoor antenna far away from booster and indoor antenna ;
2). Face outdoor and indoor antenna to different direction;
3). Get one or 2 walls between outdoor antenna and indoor antenna to ensure they are well insulated .
4). Check with your operator to ask what frequency are adopted in your area to ensure your booster matchs ( operator will use 900mhz in some area and use 1800mhz in an other area ) .

Detailed problems and solutions  :

If you still can not solve it yourself , you can friendly talk choose return or refund,
any dispute or negative mean buyer bad !!



Below model ( IGC and ALC function ) may work under conditions : 
1. bad outdoor signal at -80dbi to -85dbi around ;
2. No need wall to 100% insulate indoor and outdoor ( but if both antennas are too close ,it will not work too ) ,
















Above models is only possible to work if outdoor signal is not good (-80dbm) ,does not mean 100% to work if really bad outdoor signal ( because a booster will take many conditions ) .

When you buy them it means that you just want to take try ,if does not work ,please be friendly to solve. If you are going to direct dispute or negative, please dont buy .