Specially for Russia!! Dual band 2g3g4g 1800/2100MHz mobile signal amplifier cellular booster repeater Only Device | Мобильные

Specially for Russia!! Dual band 2g3g4g 1800/2100MHz mobile signal amplifier cellular booster repeater Only Device | Мобильные

Model No :JS-DB1800/2100

With ALC AGC Function

Can control gain automatically. Avoid base station interference

(Band 3) 1800MHz -- Uplink frequency: 1710-1785MHz/Downlink frequency : 1805-1880MHz
(Band 1) 2100MHz -- Uplink frequency: 1920-1980MHz/Downlink frequency : 2110-2170MHz

Network support : WCDMA3G+ DCS 2/4G
Gain :70±2dB
Power Supply :AC110V～220V;DC+5V/2A
Connector Type: N-female connector

Selling Point

1,Intelligent to guide the installation with LCD.
2,Real time display the signal strength.
3,Automatic dormancy when no user make the calling.
4,Automatic alarm when installation mistake and provide the according solution.
5,Automatic adjust the system gain to avoid the repeater self-excitation.
6,initiative reminding when the device was damaged.

How does it work?

1. RECEIVES SIGNAL
The powerful antenna reaches out to access a good signal, and delivers it to the booster.

2. BOOSTS SIGNAL
The booster receives the signal, amplifies it, and serves as a relay between your phone and the nearest cell tower.

3. BROADCASTS SIGNAL
Your devices get increased cell reception, and calls and data are fed through the booster back to the network.

Note : Please be sure the place where you are going to install is DCS1800MHz WCDMA 2100MHz And make sure you can get at least 2 bars 2G and 4G signal of outdoor before you buy, otherwise this product can’t help you. It needs outdoor good signal to improve your indoor signal.

Please Check Frequency before Buying How to check?

-Android mobile phone
Download App called < Network Cell Info Lite >
?The App will tell the number of LTE band
-Iphone
Dial *3001#12345#*
Clink Cell Serving Info
Check Freq Band Indicator, the number is LTE Band

Item Description

Customer Notification

Shipping
●We will send your parcel as soon as possible after payment confirmed, Within 48 hours for normal,Except weekend and Chinese holidays.
●Please provide your correct address,full name,and zip code.
●We generally would declare the parcel with lower value to avoid or lessen the Customs Tax.Import Tax is not including in the price. When it happens, it is buyers responsibility to pay for the tax and custom clearance.
●Shipping is out of our control. If you want to get the product fast, please choose fast shipping methods, like EMS, UPS and DHL. If you find the package is beyond promised delivered time, please contact us, we will contact with the carriers and find out the reason.

Warranty
● Please note that we always check and test the product twice before shipping and pack them well as far as possible.If the product is broken at receiving,please contact us,we would resend you a new one.
●Three years warranty period for our booster,it is only 3 months for the accessories.If the booster have any problems, please show us an video or some photos of your complete installation, we will help you. Please do not open dispute or leave negative feedback before contact us.we will reply you within 24 hours,except holiday.

Feedback
● If you are satisfied with our service and product,we would be very appreciated that you put us five stars and positive review. You could also recommend it to people who needs it.Thank you very much.