3G 4G LTE Repeater Amplifier Mobile Phone Signal Booster with Tri-Band 900 1800 2100 for 4G Cell Phone GSM Network

1. Tri-Band Universal Compatibility
   Boosts 3G, 4G LTE, and GSM signals across all major carriers using the 900 MHz, 1800 MHz, and 2100 MHz frequency bands for stronger calls and faster mobile data.

2. High Gain & Wide Coverage
   Delivers up to 70dB gain and covers 500–1000 square meters, ensuring reliable signal strength for homes, offices, and large indoor spaces.

3. Plug-and-Play Setup
   Easy installation with included antennas; simply connect the amplifier to an AC power source (100–240V) and position the antennas for optimal performance.

4. Stable All-Weather Performance
   Operates reliably in temperatures from -25°C to 55°C, making it suitable for varied climates and year-round use.

5. Compact & Complete Kit
   Comes as a ready-to-use kit (package size 38×26×25 cm, 3.1 kg) including amplifier, indoor/outdoor antennas, cables, and power adapter for a full installation.

Detailed Product Description:

Overview
The S3GDW-WW is a professional-grade tri-band signal booster designed to amplify weak 3G, 4G LTE, and GSM mobile signals. It targets the 900 MHz, 1800 MHz, and 2100 MHz frequency bands—the most widely used for voice and data services globally. Whether you’re dealing with dropped calls, slow internet, or poor signal indoors, this amplifier extends coverage up to 1000 square meters, providing a stable connection for all mobile devices.

Key Features

• Tri-Band Technology: Simultaneously enhances 900 MHz (GSM/2G), 1800 MHz (4G LTE/GSM), and 2100 MHz (3G/4G) frequencies.
• High 70dB Gain: Maximizes signal reception and transmission for clearer voice calls and faster data speeds.
• Wide Indoor Coverage: Ideal for homes, offices, workshops, warehouses, and other medium to large spaces (500–1000㎡).
• Universal Compatibility: Works with all mobile carriers and devices supporting 3G, 4G LTE, and GSM networks.
• Robust Build: Operates in extreme temperatures from -25°C to 55°C, ensuring performance in harsh environments.
• Simple Installation: Includes all necessary components: amplifier unit, outdoor antenna, indoor antenna, coaxial cables, and power adapter (AC 100–240V input).

Technical Specifications

• Model: S3GDW-WW
• Type: 4G Signal Booster (3G/4G LTE/GSM)
• Network Supported: 4G, GSM, 3G
• Coverage Area: 500–1000 square meters
• Gain: 70dB
• Frequency Bands: 900 MHz, 1800 MHz, 2100 MHz
• Power Supply: AC 100–240V
• Operating Temperature: -25°C to 55°C
• Package Size: 38 × 26 × 25 cm
• Package Weight: 3.100 kg

How It Works

1. The outdoor antenna captures existing weak signal from the nearest cell tower.
2. The amplifier boosts the signal strength by up to 70dB.
3. The indoor antenna rebroadcasts the enhanced signal inside your building.
4. All mobile devices within the coverage area benefit from improved call quality and data speeds.

Ideal For

• Homes and apartments in low-signal areas
• Offices, conference rooms, and coworking spaces
• Basements, warehouses, and metal-structured buildings
• Rural or remote locations with weak network coverage
• Shops, restaurants, and small businesses requiring reliable mobile connectivity

Package Contents

• 1× S3GDW-WW Signal Booster Amplifier Unit
• 1× Outdoor Antenna
• 1× Indoor Antenna
• 1× Set of Coaxial Cables
• 1× Power Adapter (AC 100–240V)
• User Manual & Installation Guide

Note
This amplifier is designed to boost existing cellular signals. It does not create a signal where none is present. For optimal results, ensure at least one bar of signal is detectable outside your building before installation.