• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: lintratek
  • Model Number: KW20L-DCS signal booster
  • Gain: 70dB
  • Output Power: 20dBm
  • Frequency: UL:1710~1785mhz DL: 1805~1880mhz
  • Product Size: 200*110*25(mm)
  • Net Weight: <1.2kg
  • Coverage: 300~800sqm
  • Connector: N female
  • Certificate: CE, RoHS, ISO
  • Quality Warranty: 24 Months
  • Key words: ALC fuction 20dBm 70dB signal repeater/booster

Packaging & Delivery

Packaging Details for home/office/ basement/ hotel used
Power adapter (EU/US/UK/AU)*1
Instruction Manual*1
DCS 1800MHz Booster*1
Delivery Time Shipped in 2 days after payment

2018 lintratek blue high gain good quality gsm 1800mhz cell phone signal booster dcs repeater indoor home office used


  • 1800MHz signal booster
  • Coverage: 300~1000sqm
  • Reducing drop/off calls.
Product Description


         ·   Excellent Quality

         ·    Exquisite appearance

      ·    High Technology

             ·    Considerate service

Lintratek come, to save you from the bad signal!!!


 Specification for Signal Repeater                                          

From: Gavin                Tel/Whatsapp: +8618138362151
Parameter dataUplink Downlink 
Frequency Range CDMA1710~1785 MHz1805~1880 MHz
Output Power17 ±2dBm20±2dBm
Gain 65 ±2 dB70±2dB
Bandwidth 75M
Automatic Gain Control ≥20dB 
Ripple in BandDCS≤6dB
Spurious Emission  9KHz~1GHz≤ -36 dBm 
1GHz~12.75GHz≤ -30 dBm 
Intermodulation Products9KHz~1GHz≤ -36 dBm 
1GHz~12.75GHz≤ -30 dBm 
MTBF >50000 hours
Power Supply AC:100~240V, 50/ 60Hz;DC:5V 1.5A
Power Comsumption < 3W
Impedance 50 ohm
Mechanical Specification  
 RF ConnectorN-Female
Dimensions (D*W*H ) 200*110*25(mm)
 Cooling  Heatsink Convection cooling 
Net weight < 1Kg
Packing size  (D*W*H ) 250*240*65(mm)
Gross weight < 1.2Kg
Installation Type Wall Installation 
Environment Conditions  IP40
Humidity <  90%
Operating Temperature  -10℃ ~ 55℃ 

  Signal Booster Full Sets                                                     

  • · 1 - Outdoor antenna like YAGI antenna or panel antenna or LPDA antenna
  • · 2 - Indoor Omni ceiling antenna 
  • · 3 – Power adapter 
  • · 5 - User manual
  • · 6 - Signal repeater
  • · 7 - 10 meters outdoor cable and 2 meter indoor cable 


   Signal Repeater Installation                                      

Packaging & Shipping


Company Information



high gain good quality gsm 1800mhz cell phone signal booster


   After - Sales Service                                                                           


We have 12 months quality guarantee for all customers, you can return goods to us when receive defective repeater, but air freight charges should be responsible by buyer.


  Signal problem & installation technique supporting                              

1.If still weak signal receipt after installation, please check if outdoor antenna point to signal tower correctly or elsewhere has stronger signal and confirm signal strength achieve-70DBM.


2.If still have no signal after installation, please check our device power adapter whether connected perfectly? And connectors connect well.


3. If strength is not steady, please check if outdoor and indoor antenna is too close; please ensure outdoor antenna has distance of 10 meters at least, with a barrier and not in a same horizontal line.


4. Packed the outdoor connector by waterproof glue, otherwise wet reduce the signal cover area.


Contact person



Related Products

Click to View more Details


850/900/1800/2100/1700/1900/LTE is avaiable

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
29 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $37,000
Learn More