850 1900mhz dual band cell phone signal repeater cdma pcs 4g lte mobile cell phone signal booster amplifier

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Product Overview


Product Information
Product Description


Have you ever felt irritable because the weak signal on your phone?

The signal booster can help you to solve the problem.


How does it work?

1. The outdoor antenna receives the mobile signal from the signal tower.

2. The booster receives the outside signal from the outside antenna.

3. The booster improve the outside signal and send it to the indoor antenna.  

4. The indoor antenna broadcasts the boosted signal to the devices inside the home.


Before buying please note!

1. Make sure the frequency band of your carrier is suitable for this item. Otherwise the device can't work for you. If you do not so clear the frequency of your phone, please tell me the name of your mobile phone operator, I will check the frequency band for you.

2. Make sure you can receive good signal that you want to amplify on your house outside. Which must be can getting 3~5 bar signal (-70dB~90dB signal strength) on your mobile phone. Please note that the signal booster can only boost the mobile phone network signal, but it does not help to generate any signal. For example, if your outside signal has 0 bar, it can't work or bring you any signal. Below is the method of check the mobile phone signal strength.



Technical parameter:

Product Mobile Cell Phone Network Signal Booster Repeater Amplifier
Color Gold/White/Black color optional
Function Signal enhancement
Application Village, garage, home, office, basement, parking lots, tunnels, hotels etc.
Working network GSM(2G/DCS(4G LTE)/WCDMA(3G)
Working frequency


B28/B20/B5/B8/B3/B2/B1/B7/B4 band optional


Single band: B28 700mhz

                   B20 800mhz

                   B5 CDMA 850mhz

                   B8 900mhz

                   B3 DCS 1800mhz

                   B2 1900mhz

                   B1 2100mhz

                   B7 2600mhz

                   B4 AWS1700/2100mhz

Dual band: GSM/DCS 900/1800mhz

                GSM/3G 900/2100mhz

                CDMA/DCS 850/1800mhz

                DCS/WCDMA 1800/2100mhz

                CDMA/PCS 850/1900mhz

                CDMA/AWS 850/AWS1700/2100mhz

                PCS/AWS 1900/AWS1700/2100mhz

                DCS/LTE 1800/2600mhz

                WCDMA/4G LTE: 2100/2600mhz

Tri band: 900/1800/2100mhz (B8/B3/B1 band)

              850/1800/2100mhz (B5/B3/B1 band)

              900/2100/2600mhz (B8/B1/B7 band)

              900/1800/2600mhz (B8/B3/B7 band)

              1800/2100/2600mhz (B3/B1/B7 band)

               850/1900/AWS1700/2100mhz (B5/B2/B4 band)

               800/1800/2600mhz (B20/B3/B7 band)

               800/900/1800mhz (CDMA/GSM/DCS)

               800/900/2100mhz (CDMA/GSM/3G)

Quad band: 900/1800/2100/2600mhz (B8/B3/B1/B7)

                  850/900/1800/2100mhz (B5/B8/B3/B1)

Five band: 800/900/1800/2100/2600mhz (B20/B8/B3/B1/B7)

                850/900/1800/2100/2600mhz (B5/B8/B3/B1/B7)

                700/900/1800/2100/2600mhz (B28/B8/B3/B1/B7)



Power 23dBm
With fluctuations in >3dbm
Stray <-36dbm
The third order intermodulation 9K-1GHZ S-36/1G-12.75GHZ S-30
Power supply AC110/220V   DC12V
Coverage 500sqm without barrier
Installation type Wall installation
Operating temperature -10 ~+60
Power plug EU/US/AU/UK standard optional
Connector type N female

Installation diagram:



Easy 4 steps of installation:

1. Find an appropriate position where can getting strong mobile signal to install the outdoor antenna and toward to the cell signal tower. (Usually install it on the roof or balcony and at least 3 bars signal indicated on your phone display.)

2. Connect the outdoor antenna to the signal booster via cable.

3. Connect the indoor antenna to the signal booster.

4. Check all the connectors is tightened then plug in power. Done!




1. Please make sure the outdoor antenna is well isolated with the indoor antenna(s). They should not be on the same horizontal line. The outdoor antenna should be on the housetop, at least 10 meters far away from the indoor antenna(s). better with stairs or wall(s) in between. Put the indoor antenna(s) in the middle of room, far away from the window and indoor.

2. If still no signal reception after activating repeater, please check if outdoor antennas points to signal tower of elsewhere have strong signal and check if strength achieve

-70dBm. Please adjust the direction of outdoor antenna until it catches good and steady signal. To ensure the result, the outdoor signal should be as strong as possible.

3. More indoor antennas and splitter/couplers are needed for bigger indoor coverage as one indoor antenna can cover around 100~25m square meters only.




Product Display
Product Display

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Company Profile

SHENZHEN SHUANGYUEDA TECHNOLOGY CO., LTD. Is a manufacturer and trader specialized in the research, development and production of signal booster, Signal repeater, 4G signal booster, mobile signal booster, 2G 3G 4G signal booster, Network signal booster, Single band signal booster, Dual band signal booster, Triband signal booster, Quad band mobile signal booster, five band mobile signal booster. All our products are manufactured with advanced equipment and strict quality control procedures ensure high quality products, excellent service, reasonable price and timely delivery are our advantages. Customized orders are welcomed. Please contact us any time for more information.

Product Packaging
Product Packaging

Packing list:

1pc Signal booster

1pc Outdoor log periodic antenna

1pc Indoor ceiling antenna with 3M cable

1pc 10M cable with connector

1pc Power plug

1pc English user manual


Optional accessories:

Outdoor antenna Outdoor log periodic antenna, Outdoor Omni-directional antenna, Outdoor Yagi antenna
Indoor antenna Indoor ceiling mushroom antenna, Indoor ceiling antenna with 3M cable, Indoor panel antenna
Splitter Two way splitter, Three way splitter, Four way splitter
Connector N-JJ male connector, N-KK female connector, N-F connector
Cable 3M, 5M, 10M, 15M, 20M, 25M (white/black color optional)




Shipment & Payment
Our Advantages

A: We are manufacturer, welcome to visit our factory if come to China.  
B: High quality & timely delivery.
C: OEM/ODM orders are available.

D: GSM/2G/3G/4G LTE network optional.

E: Five band/ Quad band/Triband/Dual band/Single band optional.

F: 700/800/850/900/1800/1900/2100/2600/AWS1700/2100mhz

  (B28/B20/B5/B8/B3/B2/B1/B7/B4 band)   frequency optional.



Buyer Review:



1) Can you print our company's logo on product?

A: Yes, if quantity is up to 50pcs, we can print your company's logo on product. 


2) How can I pay you?

A: Visa, Mastercard, T/T, Western Union, PayPal, Ali pay, Bank transfer etc.  


3)How can I place order?
A: You can contact us by email about your order details, or place order on line.

Contact: Flora

WhatsApp: (+86)13802207452

Wechat: Flora18TY

Skype: prosperity9609

Email: signal_booster(@)163.com

Company website: http://shuangyueda.en.alibaba.com



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