Tri-Band Cell Phone Signal Booster with App Control – 65-70dBi Gain, Supports 4-10 Indoor Antennas, Covers 300㎡+ for 800/900/1800/2100MHz Bands

1. App-Controlled Tri-Band Booster – Easily monitor and adjust signal strength in real-time via a dedicated mobile app for optimal coverage.
2. Multi-Band Compatibility – Supports 800/900/1800/2100MHz frequencies with flexible band combinations (B20+B8+B3, B20+B8+B1, B8+B3+B1, B20+B3+B1) for global carrier compatibility.
3. High Gain & Wide Coverage – Delivers 65-70dBi gain and covers over 300㎡, powering 4-10 indoor antennas for seamless connectivity in homes, offices, or commercial spaces.
4. Compact & Efficient Design – Sleek 20.513.54cm chassis, lightweight (1kg), and low-power operation (20+2 dBm) for easy installation and energy savings.
5. Plug-and-Play Setup – Includes all necessary components for quick installation, with no technical expertise required.

Detailed Product Description:
The AYS-S3GDW/20 is a professional-grade tri-band cell phone signal booster designed to eliminate weak signal issues in medium to large spaces. With intelligent app control, you can manage signal performance directly from your smartphone—adjusting gain, checking status, and troubleshooting in real time.

Advanced Tri-Band Technology
Engineered to support major global 4G/LTE bands, this booster automatically adapts to your area’s strongest frequencies. Whether you need B20+B8+B3 for European coverage or B8+B3+B1 for Asian networks, the AYS-S3GDW/20 ensures reliable voice, text, and data connectivity.

Powerful Coverage for Every Scenario
Featuring a high 65-70dBi gain, the booster extends signals across 300+ square meters. It efficiently drives 4 to 10 indoor antennas, making it ideal for multi-room homes, office floors, retail stores, or small warehouses.

User-Friendly Design
The compact and lightweight build allows for discreet placement, while the low-power consumption (20+2 dBm) ensures energy-efficient operation. Installation is straightforward—simply connect the outdoor antenna, indoor antennas, and power unit, then use the app to optimize performance.

Ideal For:

• Homes with poor cellular reception
• Offices, conference rooms, and co-working spaces
• Retail shops, cafes, and restaurants
• Small studios or workshops requiring stable connectivity

Package Includes:

• AYS-S3GDW/20 Tri-Band Signal Booster Unit
• Outdoor Directional Antenna
• 4x Indoor Panel Antennas (supports up to 10 antennas)
• Power Adapter & Cables
• User Manual & Quick-Start Guide

Specifications:

• Model: AYS-S3GDW/20
• Supported Bands: 800/900/1800/2100MHz (B20, B8, B3, B1)
• Gain: 65-70dBi
• Power Supply: 20+2 dBm
• Dimensions: 20.5 x 13.5 x 4 cm
• Weight: 1 kg
• Coverage: >300㎡
• Compatible Carriers: Works with all major providers (e.g., Vodafone, AT&T, T-Mobile, EE, etc.)

Upgrade your connectivity with the AYS-S3GDW/20—the smart, powerful, and versatile signal booster for seamless communication anywhere.