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850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater

Basic Properties
Place of Origin: China
Brand Name: ATNJ
Certification: CE,ROHS,CCC,TUV,BV, ISO
Model Number: JS-DB850/1700/P
Trading Properties
Minimum Order Quantity: 5Pcs
Price: USD+70---85+kit
Payment Terms: T/T, Western Union,Paypal,Alibaba,Bank transfering.
Supply Ability: 1000+unit+per day.
Specifications
850MHz Frequency Range: 824-849MHz / 869-894MHz 1700MHz Frequency Range: 1710-1755MHz / 2110-2155MHz
Color: Black&Gold&Customized ALC Intelligent function: Done
MGC: Done Products Type: Amplificateur De Signal Mobile 4g, 2g 3g 4g
High Light:

850MHz Dual Band Signal Booster

,

1700MHz Dual Band Signal Booster

,

850MHz Phone Signal Repeater

Product Description

850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater

 

2G 3G 4G Cellular Phone Signal Repeater Amplifier 850 AWS Dual Band Repeater

 

Selling Point

 

ATNJ Smart mobile signal booster are main used to improve the sginal in the weaker signal situtation, meanwhile, it can also up speed the networks of 2G/3G/4G.

It is a perfect solution for the place where the mobile signal weak and can not make the calling, it is designed for the end consumer.

 

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 824-849MHz, 1710-1755MHz
Downlink 869-894MHz, 2110-2155MHz
Frequency Bandwidth 25MHz&45MHz
Gain 68±3dB
Automatic gain control (Step Attenuation) 31dB @ 1dB/ Step
Auto Gain Control 20dB Min.
Output Power(Customers to Choose) 17±3dBm
Spurious Emission ≤ -15dBm/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:

850+1700MHz C03 Mobile Signal Repeater.pdf

 

Product Description
 

2G 3G 4G signal booster (B5 850MHz+B4 AWS)

 

Gain : 70db


Max power : 20dbm

 

850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 0850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 1850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 2
 

ALC functon

 

The ALC function can prevent excessive signal output and cause interference.

 

850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 3

850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 4850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 5

 

Packaging Including:

 

1. Dual Band Booster

2. Power adapter

3. Outdoor Log-periodic antenna

4. Indoor Omni antenna

5. Indoor Ceiling antenna

6. 5 meters cable

7. 20 meters cable

 

850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 6

850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 7850MHz 1700MHz Dual Band Signal Booster Cellular Phone Repeater 8

 

 

FAQ:

1. Are you trading company or manufacturer ? Could I use our own logo and label?

We are factory, with trading service. We provide OEM/OEM service.

2. Can I have a sample order? What is your MOQ?
Yes, we welcome sample order to test and check quality. MOQ is 1 for normal products.

3. Is it easy to set up your items?
Yes. We have a user manual and support technical support 24/7.

4. What is your warranty time?
We promise 3-year warranty for all products shipped from us. Man-made sabotage and natural factors are not within the scope of warranty.

5. Please feel free to contact us if any other questions.

Overall Rating
5.0
★★★★★
★★★★★
Based on 50 reviews recently
5 star
100%
4 star
0
3 star
0
2 star
0
1 star
0
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
  • S
    Sharjeel Ahmed Khan
    Italy Jul 13.2025
    ★★★★★
    ★★★★★
    I have bought these products before, and I have had no problems, they are of very good quality.
  • A
    Abdul Sattar
    Norway Jun 22.2025
    ★★★★★
    ★★★★★
    Livraison dans un délai acceptable par voie aérienne. Qualité : j'attends d'installer totalement l'appareil.