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Item specifics
  • Brand Name: lintratek
  • Model Number: KW20L-DCS
  • Uplink: 1710-1775mhz
  • Downlink: 1805-1870mhz
  • Connector: repeater : N female
  • Accessories: AC Power Cord,outdoor antenna,indoor antenna,10 m cable
  • Feature: LCD Display dcs signal amplifier
  • Gain: 70dB
  • Output Power: 17dBm
  • Suitable for: GSM 1800 signal booster repeater
  • Warranty: 1 Year
  • Original: Guangdong,China
Product Description

gsm repeater;    gsm 1800 booster   gsm 1800 repeter ;  mobile signal booster  ;  gsm  signal repeater ;gsm repeater 1800mhz

LCD Display 20dBm GSM 1800 Mobile Signal Repeater DCS Cell Phone Signal Booster ALC GSM 1800MHZ Cellular Amplifier +Antenna


Model No.: KW20L-DCS


Selling Point:

1.New model from Lintratek

2.Coverage: cover about 500-800sqm without barriers

3.DCS 1800 repeater

4.Great cover,70dB high Gain

5.Easy to install.

6.LCD Display.

7.Self-oscillates alarm light  :When this light is on, it means that you need to the outdoor antenna more far away from the indoor antenna to avoid self oscillates.  

8.AC Power Cord: defaulted EU plug,if you need American standard or some others please contact us before order.

9.1 Year Warranty.



Parameter Sheet :

Device can work perfectly in condition of Outdoor signal strength more than-85db or -80db
Parameter Sheet
Working System GSM 1800
Frequency Range Uplink:1710~1785mhz Downlink:1805~1880mhz
Gain 70db
Output power 20dbm
Bandwidth 75M
Ripple in band  less than 5db 
VSWR less than 3db
MTBF more than 50000 hours
Power Supply AC:100-240V DC:5V 2A
Inpedance 50 ohm
RF connector N female
Size 200*110*25cm
Weight 0.85KG
Environment Conditions IP40
Feature AGC Function ≥20dB    



Product Including and Details:






When getting the good cell signal:



When getting no cell signal at all:




Log periodic antenna


Frequency: 800-2700mhz




Indoor panel antenna

Gain: 3dBi

Frequency: 800-2700mhz

ceilling 2


10 meters cable



"BTS" end of repeater should connect with outdoor antenna;

"MS" end of repeater should connect with indoor antenna.



LCD display shows no signal and signal light is off.


# Put external antenna higher and point it to other direction to find the best signal.
# Check if all the connections are well

More than 3 bars outdoor signal is required.





LCD display shows full bars signal but cellphone is no service.


#Put indoor antenna far away from outdoor antenna.

#Separate indoor antenna and outdoor antenna by walls.



Packaging Including:

1.GSM 1800mhz Booster

2.AC Power Cord

3.Outdoor antenna

4.Indoor antenna 

5.10 meter cable


Installation Steps:

1.Fix up outdoor antenna reception on housetop or the high place and point to signal tower .

2.Connect outdoor antenna to repeater machine \'\'BTS"  port via cable.

3.Connect indoor antenna to repeater \'\'MOBILE " port .

4.Plug AC power cord into power source and finished.

5.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 outdoor antenna and indoor antenna are separated not enough, then it will be self-oscillation. Your phone will not get any signal.








We can ship goods  by EMS,UPS,DHL,FEDEX ,China post registered air mail.

Express Advantage and Disadvantage ,please choose carefully depend on your situation.

Please Notice :Brazil Customer we need your help is that provide us your Tax No.we can not ship to brazil without Tax No.

Russian Federation Customer please provide us your full name,in order to keep you get your goods succesfully.

EMS:can ship to many of Ukraine,Russian Federation,Brazil takes 15-22days

More expensive than china post ,but faster than china post.With Tracking No.

UPS: can ship to a part of countries,Expensive freight ,takes7-10days arrvial .With Tracking No.

DHL: can ship to many of countries ,except  Russian Federation,Ukraine,Brazil. takes3-5 days arrival.

Fast delivery,high efficiency.Expensive .Need add the additional charge for the remote place.Can trace with tracking No.

Fedex:can ship to many ofcountries,except Russian Federation,Ukraine,Brazil.takes5-7 days arrival

It is better to provide your company name.Canada,United States Area need to pay USD5 extra if the area belongs residential community.And add the additional charge for the remote place.Can trace with tracking No.

Honkong Post Mail(less than 2kg): cheap frieght,faster than china post .Can not trace the parcel situation till arrive at the destination.Ps:with tracking No.

Shipping Terms :

Items are only shipped after payment confirmed.(normally 2 days)
1.After verification the payment,we will shipping within 48-72hours except holiday.

2.We just ship to  the correctly address depend on the aliexpress you registering ,when your place an order please write down your matching address .If you want to change sent to other place ,please contact us before biding .

3.Please note that,delivery time is probable,If you have not receive your goods in arrival day after payment,please contact us before dispute,please give us a chance to check the reason and solved the probem .
4.All goods from ours are checking before shipping to confirm safety and can working .


1.We accept escrow and banking transfer.

2.We accept refund  if there is qualility problem(sent us the picture to evidence the problem),but need to return the goods with the original package,and the buyer need to pay for the back and forth freight.

3.Our product can boost the fine indoor signal,only if your outdoor signal is perfect,Please make sure Your side outdoor signal is good,if not, our device can not expand anything you expect.

4.Regarding to the PI declare value,we can write the value as your requirement to help your side custom clearance.

Buyer Duty:

1.Provide us your correct contact information.
2.Custom clearance and pay for it .


1.If you satisfied and love our product,please leave positive feedback  to encourage us keep on !

2.Feedback is important to us ,we request that you can contact us before you give the neutral or negative feedback,We will handle with a please way,that makes double win between you and us.

Packaging Details
  • Unit Type: Set
  • Package Weight: 3.0kg (6.61lb.)
  • Package Size: 40cm x 35cm x 28cm (15.75in x 13.78in x 11.02in)
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Packaging Details
  • Unit Type: Set
  • Package Weight: 3.0kg (6.61lb.)
  • Package Size: 40cm x 35cm x 28cm (15.75in x 13.78in x 11.02in)
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