Dual Band N77 N78 3400-3800MHz 5G Signal Repeater Booster with 3-Year Warranty

Name: Dual Band N77 N78 3400-3800MHz 5G Signal Repeater Booster with 3-Year Warranty
Brand: Shenzhen Atnj Communication Technology Co., Ltd.
SKU: AS-LTE+5G
Price: 560.00 USD
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: ATNJ

Certification: CE,ROHS，CCC，TUV,BV， ISO

Model Number: AS-LTE+5G

Trading Properties

Minimum Order Quantity: 5Pcs

Price: USD+540---580+kit

Payment Terms: T/T,Western Union,Paypal,Alibaba,Bank transfering.

Supply Ability: 1000+unit+per day.

20dBm 5G Signal Booster

27dBm 5G Signal Booster

85dB 5G Signal Booster

Specifications

1800MHz Frequency Range:	1710-1785MHz / 1805-1880MHz	N77/78 Frequency Range:	3400 - 3800MHz
Weight:	1.85kg	Trademark:	ATNJ
Origin:	Shenzhen,CN	Products type:	Mobile Phone Signal Detector, Multicargador Celular
High Light:	1800MHz 5G Signal Repeater , Band N77 5G Signal Repeater , 1800MHz Cell Phone Booster 5G

Product Description

Dual Band N77 N78 1800MHz 5G Signal Repeater With Selectived Model

Product Overview

This dual-band 5G signal repeater combines 1800MHz and N77/N78 (3400-3800MHz) frequencies to enhance mobile connectivity in areas with weak signals. The device features easy installation, built-in door antenna, and interference-free operation while improving indoor electromagnetic environments.

Key Features

Dual-band operation: 1800MHz + N77/N78 (3400-3800MHz)
Ideal for homes, offices, and small/medium businesses
Automatic Gain Control (AGC) prevents over-saturation
Compact design with easy self-installation
Improves battery life and reduces cellphone radiation
Extends coverage to signal-blind areas

Technical Specifications

LTE 1800 Performance Characteristics

Parameter	Uplink	Downlink
Frequency range	1710MHz-1785 MHz	1805 MHz-1880 MHz
Bandwidth	75 MHz	75 MHz
Output power	17±2dBm	17±2dBm
Device gain	60±3dB	65±3dB
ALC/AGC Range	≥30dB	≥30dB
Noise	≤9dB	≤9dB

TDD-NR 3400-3800 Performance Characteristics

Parameter	Uplink	Downlink
Frequency range	3400MHz-3800MHz	3400MHz-3800MHz
Bandwidth	100 MHz	100 MHz
Output power	17±2dBm	17±2dBm
Device gain	60±3dB	60±3dB

General Specifications

Parameter	Value
Working voltage	DC 5.0V
Working current	≤3.0A
Power consumption	≤15W
Environment temperature	-25℃～+55℃
Device size	20517038mm
Weight	≤1Kg

Product Images

Dual Band N77 N78 3400-3800MHz 5G Signal Repeater Booster with 3-Year Warranty 0

Dual Band N77 N78 3400-3800MHz 5G Signal Repeater Booster with 3-Year Warranty 1

Dual Band N77 N78 3400-3800MHz 5G Signal Repeater Booster with 3-Year Warranty 2

Download Specifications

Download full product specifications (PDF)

Manufacturer Information

We are a manufacturer with our own factory, offering OEM/ODM services for customized branding.

Frequently Asked Questions

1. Are you a trading company or manufacturer? Can I use my own logo?

We are the factory with trading services. We provide OEM/ODM services for custom branding.

2. Can I order samples? What is your MOQ?

Yes, we welcome sample orders. Minimum order quantity is 1 unit for standard products.

3. Is the device easy to install?

Yes, we provide a user manual and offer 24/7 technical support for installation.

4. What is your warranty policy?

We offer a 3-year warranty (excluding man-made damage or natural disasters).

For any other questions, please feel free to contact us. We appreciate your feedback and recommendations.

Overall Rating

5.0

★★★★★

Based on 50 reviews recently

5 star

100%

4 star

3 star

2 star

1 star

All Reviews

M

MILTON HIDALGO

Croatia (local name: Hrvatska) Oct 21.2025

★★★★★
★★★★★

Shipment arranged in time,and the repeater working well.
A

Abram Neufeld

France Sep 18.2025

★★★★★
★★★★★

c’est une bonne qualité
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.