Tri-Band Cell Phone Signal Booster for Multiple Networks - Supports 4G LTE/3G/2G, 65-75dBi Gain, Covers 300㎡+ for Home, Office, RV

1. Multi-Network & Wide Band Support – Boosts 900MHz, 1800MHz, and 2100MHz frequencies for compatible carriers worldwide. Ideal for 4G LTE, 3G, and 2G signals in rural, urban, or mobile setups.
2. High Gain & Extended Coverage – Delivers 65-75dBi gain with stable output, covering over 300㎡ (≈3,200 sq ft) and supporting 4-10 indoor antennas for seamless whole-area connectivity.
3. Strong Compatibility – Works with all major carriers using 900/1800/2100MHz bands. Perfect for homes, offices, workshops, RVs, and boats where multiple networks are needed.
4. Compact & Durable Design – Lightweight (0.85kg) and slim (24×18.5×2.5cm) metal housing for easy installation in tight spaces. Includes overheat and surge protection.
5. Easy Setup & Stable Performance – Plug-and-play installation with low noise amplification. Includes outdoor antenna, indoor antenna, power adapter, and cables for quick deployment.

Product Description:

Powerful Tri-Band Signal Booster for Reliable Connectivity
The S3GDW-BF2 is a professional-grade cell phone signal booster designed to enhance voice, text, and data signals across multiple networks simultaneously. Operating on 900MHz, 1800MHz, and 2100MHz bands, it ensures strong coverage for 4G LTE, 3G, and 2G services—making it ideal for areas with weak signal from one or more carriers. Whether you’re in a remote home, a multi-story office, or a moving RV, this booster eliminates dropped calls and slow internet.

Key Specifications & Performance

• Frequency Bands:
  Uplink: 882-920MHz, 1700-1779MHz, 1918-2000MHz
  Downlink: 924-967MHz, 1796-1829MHz, 2096-2185MHz
• Gain: 65-75dBi
• Output Power: 22dBm ±3dB
• Coverage Area: >300㎡ (supports 4-10 indoor antennas for expanded coverage)
• Dimensions: 24×18.5×2.5cm
• Weight: 0.85kg

Wide Compatibility & Use Cases
The S3GDW-BF2 is engineered to work with carriers utilizing 900/1800/2100MHz spectrum, including major operators across Europe, Asia, Africa, and Oceania. It’s perfect for:

• Homes & apartments in signal-poor neighborhoods
• Offices, warehouses, and basements
• RVs, campervans, and boats for uninterrupted travel connectivity
• Farms, workshops, and remote buildings

Smart Technology for Stable Signals
Featuring automatic gain control (AGC) and adaptive noise reduction, the booster adjusts in real-time to maintain optimal signal quality without interference. Its high-gain design pulls in weak outdoor signals and amplifies them indoors, ensuring reliable performance even in challenging environments.

What’s Included

• 1× S3GDW-BF2 Signal Booster Unit
• 1× Outdoor Yagi Antenna
• 2× Indoor Panel Antennas
• 1× Power Adapter (100-240V)
• Coaxial Cables & Mounting Kits
• User Manual & Warranty Card

Easy Installation & Safety Certified
Set up in under 30 minutes: mount the outdoor antenna, connect the booster, and place indoor antennas where coverage is needed. The unit is CE and RoHS certified, with protections against overload, short-circuit, and overheating.

Note: Check local carrier frequency compatibility before purchase. Outdoor antenna placement is critical for optimal performance.