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Item specifics
  • Brand Name: lintratek
  • Model Number: KW20A-CDMA
  • Frequency range: Uplink:824~849mhz Downlink:869~894mhz
  • Suitable for: CDMA 850mhz signal improve
  • ALC Function: Yes
  • Connector: repeater : N female antenna:N male
  • Accessory: AC Power Cord,outdoor antenna,indoor antenna,10m cable
  • Gain: 65dB
  • Output Power: 20dBm
  • Warranty: 1 Year
  • Keyword: signal booster gsm 850
  • Cover area: 300-500 square meters
Product Description

signal booster gsm 850; signal booster gsm;signal booster; signal booster 850; signal booster 850mhz

Whole Set CDMA 850mhz Network ALC 65dB Gain Cell Phone Black Booster Cell Amplifier Cellular GSM 850mhz Signal Booster Repetidor


Model No.: KW20A-CDMA


Selling Point:

1.Latest hot model in 2016

2.Coverage: cover about 300sqm without barriers

3.GSM 850mhz repeater

4.Great cover,high Gain

5.Easy to install .

6.Full set with outdoor antenna,indoor antenna,10m cable, 5m cable

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

8. ALC function, adjust gain automatically. It wouldn\'t cause interference with signal for your neighbour.

9.1 Year Warranty.



1.High linear design,ALC function,low interference to BTS.

2.Compact size,low consumption,easy to install,great cover.

3.Expand signal coverage where signal is weak or unavailable eg.villa,high building,countryside,parking lot ect.

4.Improve your mobile signal ,no more bad reception,no more dropping calls .



Product Including and Details:
2015_12_05_6723 2015_12_05_6725 2015_12_05_6726 2015_12_05_6727 2015_12_05_6730 2015_12_05_6732 2015_12_05_6733


Parameter Sheet :


Device can work perfectly in condition of Outdoor signal strength more than-70db or -65db
Working System GSM 850mhz
Frequency Range Uplink:824~849mhz  Downlink:869~894mhz 
Gain 65db
Output power 20dbm
Ripple in band less than 5db
VSWR less than 2db
Power supply AC:100-240V,50/60Hz  DC:5V 1A
Power comsumption less than 8 W
Inpedance 50 ohm
RF connector N female
Matching Antenna type N Male
MTBF more than 50000 hours
Dimensions 145*100*20mm
Weight 0.7kg
Installation wall
Environment conditions IP40
Feature GSM 850 Signal Expand




5 cell yagi antenna


Frequency: 824-960mhz


Indoor whip antenna

Gain: 8dBi

Frequency: 800-2200mhz

whip antenna


10 meters cable N male connector to N male connector




Packaging Including:

1. GSM 850mhz Booster

2. AC Power Cord

3. Outdoor antenna

4. Indoor antenna 

5.10 meters 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: 2.0kg (4.41lb.)
  • Package Size: 37cm x 27cm x 20cm (14.57in x 10.63in x 7.87in)
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Packaging Details
  • Unit Type: Set
  • Package Weight: 2.0kg (4.41lb.)
  • Package Size: 37cm x 27cm x 20cm (14.57in x 10.63in x 7.87in)
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