ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage

Name: ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage
Brand: Shenzhen Atnj Communication Technology Co., Ltd.
SKU: NB-700/800
Price: 70.00 USD
Availability: InStock

Basic Properties

Place of Origin: Guangdong, China

Brand Name: ATNJ

Model Number: NB-700/800

Trading Properties

Price: $140/sets 1-199 sets

Cellular Signal Booster

Specifications

Type:	5g Signal Booster	Network:	4g, GSM, 3G, EGSM, LTE, DCS, 2G, 5G
Key words:	2G 3G 4G 5G Repeater	Suitable:	Global Applicatioin For Home/office/apartment... Use
Frequency:	832-862MHz /791-821MHz ,703-748MHz/758-803MHz	Cellular Networks:	2G+3G+4G+5G
coverage:	100--300m2	weight:	1.2kg
size:	225x140x35 (mm)	material:	Aluminum
Gain:	65dB	Warranty:	3 Years
High Light:	4G signal booster , 70dB gain signal booster , 300-600sqm coverage booster

Product Description

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage

Product Overview

Attribute	Value
Type	5G signal booster
Network	4G, GSM, 3G, EGSM, LTE, DCS, 2G, 5G
Frequency	832-862MHz /791-821MHz, 703-748MHz/758-803MHz
Cellular Networks	2G+3G+4G+5G
Coverage	100-300m²
Weight	1.2kg
Size	225x140x35mm
Material	Aluminum
Gain	65dB
Warranty	3 Years

Product Images

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 0

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 1

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ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 3

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 4

Technical Specifications

Model Number	NB-900-1800
Type	4G signal booster
Place of Origin	China
Brand Name	ATNJ
Network	4G, GSM
Frequency	880-915MHz /925-960MHz, 1710-1785MHz/1805-1880MHz
Gain	70dB
Output Power	20dbm
Coverage	300-600sqm
Warranty	3 Years
Weight	1.2kg
Size	225x140x35mm
Application	Indoor Signal Amplifier
Material	Aluminum

Key Features

Intelligent to guide the installation with LCD
Real time display of signal strength
Automatic dormancy when no calls are being made
Automatic alarm for installation errors with solutions
Automatic system gain adjustment to prevent repeater self-excitation
Proactive damage alerts

Additional Product Images

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ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 6

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 7

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 8

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 9

Packaging & Delivery

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 10

Company Profile

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 11

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 12

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 13

ATNJ 4G Signal Booster with 70dB Gain for 300-600sqm Coverage 14

Shenzhen ATNJ Communication Technology Company, located in Shenzhen City, was founded in 2010. It mainly focuses on Micro power repeater, Antenna Series, Passive Components. With professional engineers, workers and senior management personnel, the group has maintained high-speed development. Meanwhile, the up-to-date facilities and technology ensure the business long-term development. Nowadays, our hot sale products are GSM900, DCS1800, 3G, CDMA signal repeaters.

Frequently Asked Questions

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

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

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.

Is it easy to set up your items?

Yes. We have a user manual and support technical support 24/7.

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.

Please feel free to contact us if any other questions.

Overall Rating

5.0

★★★★★

Based on 50 reviews recently

5 star

100%

4 star

3 star

2 star

1 star

All Reviews

A

Aleix Pellicer Garcia

Belgium Nov 9.2025

★★★★★
★★★★★

It works great, the frequency can be adjusted to Vodafone correctly,and LTE speed goes fast.
P

Priyanshu Agarwal

Malta Jul 4.2025

★★★★★
★★★★★

Good quality item and great customer service to help resolve issues
A

Abdul Sattar

Norway Jun 22.2025

★★★★★
★★★★★

Livraison dans un délai acceptable par voie aérienne. Qualité : j'attends d'installer totalement l'appareil.