Shenzhen Atnj Communication Technology Co., Ltd.
                                                                                                           
Verified Supplier
16 Years
Since 2010
Menu

ATNJ 27dBm Dual Band 1800/2100MHz Cell Phone Signal Booster with 80dB Gain and LCD Display

Price Negotiable
Price: USD+250---270+kit
MOQ: 5Pcs
Delivery Time: 3-5 work days
Brand: ATNJ
Product Description
Product Overview
The ATNJ Dual Band Signal Booster is a professional-grade cellular signal repeater designed to enhance 2G, 3G, and 4G network coverage in areas with weak signal reception. Operating on dual frequency bands with 27dBm output power and 80±5dB gain, this device significantly improves call quality and data connectivity.
Key Features
  • Dual band operation: 1800MHz (DCS) and 2100MHz (WCDMA)
  • High output power: 27dBm for extended coverage
  • Automatic Gain Control (AGC) with 31dB step attenuation
  • LCD display for real-time monitoring
  • Sleep mode functionality for energy efficiency
  • Compact design: 165×115×35mm, 1.3kg weight
  • Includes log periodic antenna and ceiling antenna
Technical Specifications
Parameter Specification
Frequency Range Uplink: 1710-1785MHz, 1920-1980MHz
Downlink: 1805-1880MHz, 2110-2170MHz
Gain 80±5dB
Output Power 27dBm
Bandwidth 60MHz & 75MHz
Noise Figure ≤ 5dB
Operating Temperature -10°C to +55°C (Operation)
-20°C to +60°C (Storage)
Power Supply AC 110-220V±20%, 50/60Hz
Connector Type N Female
Product Images
ATNJ Dual Band Signal Booster front view ATNJ Signal Booster side view Signal Booster internal components Signal Booster installation diagram Signal Booster connectivity ports Signal Booster antenna connections Signal Booster power adapter ATNJ Powerful DCS 1800MHz cellular signal booster Signal Booster packaging Signal Booster technical specifications display Signal Booster operational status
Technical Documentation
For detailed technical specifications and installation guidelines, download the product specification document:
Installation & Troubleshooting
Common Installation Issues
  • Weak signal after installation: Ensure outdoor antenna is properly aligned with signal tower and signal strength reaches -70dBm
  • No signal detected: Verify power adapter connections and all RF connectors
  • Unstable signal strength: Maintain minimum 10-meter separation between outdoor and indoor antennas with physical barriers
  • Weather protection: Apply waterproof glue to outdoor connectors to prevent signal degradation
Manufacturer Information
ATNJ is a professional manufacturer with production capacity of 10,000 units per month. We provide comprehensive technical support for signal problems and installation techniques.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Atnj Communication Technology Co., Ltd.
Location Floor 12, Building A, Rd Jiangshi, Quanju High-Tech Industry Park, Guangming District, Shenzhen, Guangdong Province, China
Contact Person Wave Luo

Request A Quote

Please check your email address.
Your message must be at least 20 characters.