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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: lintratek
  • Model Number: KW20L-GD
  • product attribute: high power dual band gsm repeater 900 1800
  • gain: 65dbi
  • product size: 195*180*20mm
  • output power: 20dbm
  • net weight: 1.4kg
  • frequancy: UL:890~915/1710~1785MHz; DL:935~960/1805~1880MHz
  • coverage: 100-700sqm
  • connector: N-Female connector
  • certificate: CE,ISO
  • quality warranty: 12 months

Packaging & Delivery

Packaging Details Standard neutral packing
Delivery Time within 7working days after payment


Product Description

Easy operation dual band  signal repeater gsm dcs 900 1800MHz cell phone signal booster


  • How can repeater bring your mobile phone better signal?

    •The outside antenna catches low signal from operator servicer’s base station and delivers it to cell phone repeater through the connection cable (coax).

    •After the signal is accepted by the mobile repeater, this device amplifies it.

    •Then this amplified signal goes through the connection cable (coax) to the inside antenna.

    And after that, the amplified signal transmits to your cell phone.

    • Finally, your cell phone will get good signal, never on and off                                                A regular cell phone repeater consists of: (full kit)

    • 1 -Outdoor antenna log periodic antenna(or wall mounted, yagi antenna)
    • 2 - Indoor Omni ceiling antenna( panel antenna)
    • 3 – Power adapter
    • 5 - User manual
    • 6 - Cell phone repeater
    • 710 meters outdoor cable and 1 meter indoor cable

      Specification should care about :


         Model No


      Parameter data



      Frequency Range   




      Output Power          




      60±2 dB




      Ripple in Band            


      Spurious Emission           


       -36 dBm


       -30 dBm




      >50000 hours

      Power Supply                    

      AC:100~240V, 50/ 60Hz;DC:5V 1A

      Power Consumption      

      < 5W


      50 ohm

      Mechanical Specification

      RF Connector            

      N-Female N

      Dimensions (D*W*H )        

      195*180*20 (mm)

      Net weight                          

      < 0.45Kg

      Packing size (D*W*H )        


      Gross weight                    

      < 0.7Kg

      Installation Type              

      Wall Installation

      Environment Conditions  



      < 90%

      Operating Temperature        

      -10°C ~ 55°C




Packaging & Shipping




Our Services


How should you install repeater (very easy and simple):

Step 1: Use your mobile phone to test signal strength outside house or on roof, -70dbm is the basic requirement (full bar).


Step 2 Install outdoor antenna in that location and keep adjusting, point it to signal tower station, try to get best signal.


Step3: Run outdoor coaxial cable into building in a convenient location to connect with signal repeater.


step 4: Mount your indoor antenna with signal repeater


step5:  Power up signal repeater device to check the signal inside, moving outdoor antenna until you get satisfied signal.


Note: Connect outdoor (BTS) port with outdoor antenna, connect indoor ANT(MS) port with indoor antenna, outdoor antenna is mounted at a higher position. Both antennas should be 10 meters far away from each other at least.

Indoor and outdoor antenna must be separated by wall.


Company Information





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.



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