lintratek 2G 3G 4G GSM 900 LTE 1800 WCDMA 2100 mhz Cell Phone Signal Booster Cellular Repeater 3G 4G Antenna amplifierSet-in Signal Boosters from Cellphones & Telecommunications

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$ 85.50

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lintratek 2G 3G 4G GSM 900 LTE 1800 WCDMA 2100 mhz Cell Phone Signal Booster Cellular Repeater 3G 4G Antenna amplifierSet Details & Specification :

Item Specifications
Model Number KW20C-GDW
Brand Name lintratek
Working System GSM+WCDMA+DCS (900mhz &1800 & 2100mhz)
Feature LCD Tri-band mobile signal booster
gsm repeater booster cellular signal booster
2G 3G 4G Signal booster GSM900/Band 3(1800mhz)/3G 2100mhz
Frequency Range Uplink 880~ 915 mhz /1710~1785MHz/1920~1980MHz
Frequency Range Down Link 925~960mhz /1805~1880MHz/2110~2170MHz
Power Supply AC110V~240V,50/60Hz; DC:12V 2A
External Antenna 10dbi Log-periodic 4G Antenna
Gain 70dBi
Internal Antenna 2G 3G 4G indoor antenna, came with 2 meters cable

Lintratek Set  GSM 900 1800 WCDMA 2100 Tri-Band Booster 2G 3G 4G LTE 1800 65dB Mobile Phone Signal Amplifier Cell Phone Cellular Repeater 4G Antennas


Features and specifications:

Cellular 2G 3G 4G  repeater GSM 900mhz LTE1800mhz WCDMA 2100mhz booster.

* Model 20C-GDW

* 1 year guarantee after shipping

* Max. square meters: about 300-500 sq.m

1. Works forGSM 900mhz+(DCS LTE 1800MHZ) Band 3+(WCDMA 3G 2100MHZ)Band 1, signal booster, repeater

2. GSM 900MHZ Frequency range:Uplink890-915mhz,Down link:935-960mhz
LTE 1800MHZ Frequency range:Uplink:1710-1775mhz,Downlink:1805~1870mhz
 WCDMA 2100MHZ Frequency Range:Uplink:1920~1980mhz,Downlink:2110~2170MHz
3. Gain:70dB

4. Coverage area: cover about 200sqm without barrier. 1 antenna cover about 200-300 sqm

5. Improve indoor mobile signal, no more dropping calls, no more bad network speed.

******Importan  Note ( please read , and please read all descriptions carefully ) ************ :


Please make sure you can get  at least   2 bars  GSM900/1800mhz  (Band 3)/2100mhz (Band 1)signal of outdoor before you buy, otherwise this product can’t help you. It needs outdoor good signal to improve your indoor signal.


The outdoor antenna must be installed in the direction of the base station that can receive the target signal.


There are some ways to check the frequency: (Frequency doesn’t match, the signal booster can’t works.)


1. Turn on the network (2G/3G/4G) you want to amplify and go to outdoors of your house:


A:If you use Samsung phone .Holding the phone to the outside. Dial:  *#0011# →ServiceMode→ 


B.If you use iPhone .


Holding the phone to the outside.Dial: *3001#12345#* → click into :Serving Cell info


2.Install an app: Network cell info Lite, and show the screenshot to us.



Package Including:


1.Tri-band booster for GSM900mhz+WCDMA2100mhz+DCS1800mhz
2. Charger EU Plug (AU/UK/US Adapter will come with the item according to your shipping address) 
3.2G 3G 4G LPDA Antenna

4. 2G 3G 4G Indoor panel Antenna

5.15 Meters Black RG6 Coax. Cable

KW20C-GDW_03  KW20C-GDW_02  KW20C-GDW_04  KW20C-GDW_05  KW20C-GDW_06  KW20C-GDW_07

Installation Approaches:

1.Fix up outdoor antenna on the housetop and point to signal tower.

2.Connect  outdoor antenna to "BTS" in repeater via cable;

3.Connect indoor antenna to"Mobile" in repeater via cable;

4.Plug the power adaptor,power light will be lighting ,when the outdoor antenna receive the strong signal the LCD will be display the signal Please note that,when you find signal twinkling and have no full signal display  that means have no signal input and you need to check your outdoor antenna position.

TIP: An outdoor antenna should be "isolated" from the internal antenna, that is, there must be constructive obstacles (walls, partitions, etc.) between the antennas.

When the distance between the external antenna and internal antenna is not far enough, both antennas will receive signal from the other one, then your phone will not receive any signal.









A letter to buyer from our shop:

1.Please make sure your address and  full name correctly so that can receive the goods in time;

2. All items will be shipped out in 2-7days once the order's payment had been confrimed,  the earlier you pay, the sooner you will get the item.

3. Online free shipping price only includes the product cost and the courier free. not include any tax or custom clearance fee that may be levied in customer's country. We will try our best to help you to get the goods, but we are not responsible for this.

4. If you have any queries with our items or services,please feel free to contact us first, thanks!


1. .We mainly provide China air mail post for shipping method and Some more suitable choice by post.

2. Any import charges are the buyer's responsibility. We will not take any responsibility.

3. Please check the Shipping & Handling Fee before purchase. Please make sure your address is the correct shipping address. We will not hold responsible for lost, damaged, or stolen mail. Please pay for insurance to avoid these situations. Saturday, Sunday & Public Holidays is not available for shipping.

After-sale service

 1. When you received the parcel, please open and check it before signing. Do not sign if the items are broken and ask the delivery company to make a "damage certificates". Otherwise, we will not provide any warranty and refund, thanks for understanding!  

2. Dear Friends, if you have any questions or comments about our products or policies, please do not hesitate to contact us via order message or leave us a email adress. we will respond you within 24 hours.


1. Your satisfaction and positive feedback is extremely important to us, please leave a good feedback to us if you are satisfied with our items and service.

2. Customer satisfaction is the most important return for us. If you have any questions, please let us help you to solve it. We understand your feeling and will try our best to solve your problem.

3.  We aim to provide Top Level Customer Service. We greatly appreciate your 5-STAR POSITIVE feedback and please do NOT leave negative feedback without asking for helping.