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70dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier

Basic Properties
Place of Origin: China
Brand Name: ATNJ
Certification: CE,ROHS,CCC,TUV,BV, ISO
Model Number: JS-900/2100
Trading Properties
Minimum Order Quantity: 5Pcs
Price: USD+75---85+kit
Payment Terms: T/T, Western Union,Paypal,Alibaba,Bank transfering.
Supply Ability: 1000+unit+per day.
Specifications
900MHz Frequency Range: 890-915MHz / 935-960MHz 2100MHz Frequency Range: 1920-1980MHz / 2110-2170MHz
Products Name: 3G Booster Color: Black , Customized
Warranty: 36 Months
High Light:

900MHz Mobile Signal Boosters

,

2100MHz Mobile Signal Boosters

,

70dB Dual Band Signal Booster

Product Description

70dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier

 

70dB Gain Dual Band Mobile Signal Booster 2G 3G 4G 900 / 2100MHz Repeater Amplifier

 

 

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.

 

 

Technical Specifications

Specifications

Parameters

Frequency Range(Customers to Choose)

Uplink

890-915MHz, 1920-1980MHz

Downlink

935-960MHz, 2110-2170MHz

Frequency Bandwidth (3dB Bandwidth)

25MHz&60MHz

Gain

70dB

Automatic gain control (Step Attenuation)

31dB @ 1dB/ Step

Auto Gain Control

20dB Min.

Output Power(Customers to Choose)

20dBm

Spurious Emission

≤ -15d Bm/30kHz

9kHz~1GHz: ≤ -36dBm/30kHz

1GHz~12.75GHz: ≤ -30dBm/30kHz

Inter-Modulation Attenuation ACPR

≤ -40dBc / 30kHz (measured under rated output power)

In-band Ripple

≤ 3dB

VSWR

<=2

I/O Impedance

50 Ω

Noise Figure

≤ 5dB

System Delay

≤ 5μs

RF Connector(Customers to Choose)

SMA(Female)

Operating Temperature

Operation: - 10°C ~ + 55°C / Storage: -20°C ~ +60°C

Power Supply

AC 110~220V±20%, 50/60Hz(AC 220V/ DC5V/2A power adapter)

Dimensions

165*130*40 (mm)

Weight

≤0.8 kg(Net)

Alarm Monitoring System

Alarm for uplink self-oscillation

Indication LED

Power supply

Further detail pls click here for downloading the products specification:

900+2100MHz AT005 mobile signal booster.pdf

 

Product Description

 

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70dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier 8

 

 

Accessories

 

a. One dual band signal booster;

 

b. Two indoor antenna;

 

c. One outdoor antenna;

 

d. 20meter cable and 5meter cable;

 

e. User manual;

 

f. Power adapter.

 

 

70dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier 9

 

 

The repeater makes the signal stronger in places with poor signal coverage such as:

 

1) Underground areas: basements, parking lots, tunnels;

 

2) Other places where cellular signal is shielded by metal or concrete walls: offices, supermarkets, cinemas, hotels;

 

3) Places distant from the BTS like private houses.

 

 

 

70dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier 10 

70dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier 1170dB Dual Band Mobile Signal Boosters 900 2100MHz Repeater Amplifier 12

 

 

 

Advantages:


1. Smart Function, Intelligent mode setting smart function called which can be activated via the front panel. users can adjust gain and choose working band by LED panel, This smart function is easier than DIP Switch, can set up parameters, It is a simple, safe, and effective way.


2. Auto Level Control
The 30dB ALC is used to maintain steady output power even when the donor source signal fluctuates.


3. ODM/OEM service is available.

 

Feature:

 

1. Our mobile signal booster are main used to improve the weak signal in the weaker signal situtation, meanwhile, it can also up speed the networks of 2G/3G/4G.It is a whole solution where the mobile signal weak and can not make the calling.

 

2. We can provide you only unit product, or all of mounting kits for your choice. such as outdoor antenna/indoor antenna/ antenna fix bracket/ cable/user manual/ power adapter/ mounting accessories and so on.

 

 

Our service:

 

1. We have long business relationship shipping agent, we can provide you best price, best service based on your destination.

 

2. We provide best after service, if there is any doublt after you get products, we try our best to service for you.

 

3. We provide warranty is 3 years.

Overall Rating
5.0
★★★★★
★★★★★
Based on 50 reviews recently
5 star
100%
4 star
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All Reviews
  • D
    David Goden
    Belgium Nov 6.2025
    ★★★★★
    ★★★★★
    Installation was much simpler than expected! Following the manual step by step, I managed it myself, and the signal was immediately full, it felt so rewarding
  • B
    Benn Vincent Brown
    Germany Aug 14.2025
    ★★★★★
    ★★★★★
    To deal with ATNJ has been a pleasure because of the clever and special attention from Emma to assist me when our local post office neglected to make the delivery, Emma had better local information than me here in Australia. Because I live in a remote valley the local signal is very weak and the nearest tower is 20Km away. The ATNJ product has been excellent and delivers a stronger signal than two other well known products that I have tried. I am very effetively using two indoor antennas to cover down and upstairs The design is neat and effective and the instructions well describe how to instal and best practice. I can recommend this product with no hesitation.
  • A
    Abdul Sattar
    Norway Jun 22.2025
    ★★★★★
    ★★★★★
    Livraison dans un délai acceptable par voie aérienne. Qualité : j'attends d'installer totalement l'appareil.