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

Dual Band 850MHz 1800MHz Cell Phone Signal Booster with 70dB Gain for 2G 3G 4G Networks

Price Negotiable
Price: USD+100---120+kit
MOQ: 5Pcs
Delivery Time: 2 work days
Brand: ATNJ
Product Description
Product Overview

The 850/1800MHz Dual Band Cell Phone Signal Booster is a professional-grade amplifier designed to enhance 2G, 3G, and 4G network coverage in areas with weak signals. This compact repeater system provides reliable signal amplification for improved voice calls and data transmission.

Key Features
  • LCD display showing signal strength, power status, and installation details
  • Automatic Gain Control (AGC) with 20dB minimum range
  • Sleep mode for energy efficiency during inactive periods
  • Compact design measuring 165×130×40mm with 0.8kg weight
  • Dual band operation supporting 850MHz and 1800MHz frequencies
  • 70dB gain for powerful signal amplification
  • Self-oscillation protection and automatic shutdown for safety
Technical Specifications
ParameterSpecification
Frequency RangeUplink: 824-849MHz, 1710-1785MHz
Downlink: 869-894MHz, 1805-1880MHz
Gain70dB
Output Power20dBm
Automatic Gain Control20dB minimum, 31dB step attenuation
Noise Figure≤ 5dB
Power SupplyAC 110-220V ±20%, 50/60Hz with DC 5V/2A adapter
Operating Temperature-10°C to +55°C
RF ConnectorN-Female
Dimensions165 × 130 × 40 mm
Weight≤ 0.8 kg
Application Areas

This signal booster effectively enhances cellular coverage in various challenging environments:

  • Underground spaces: basements, parking garages, tunnels
  • Signal-shielded buildings: offices, supermarkets, hotels with concrete/metal construction
  • Remote residential areas distant from cellular towers
Package Contents
  • Dual band signal booster unit
  • Indoor antenna
  • Outdoor antenna
  • 20-meter and 5-meter coaxial cables
  • User manual
  • Power adapter
Installation Guide
  1. Mount outdoor antenna on rooftop directed toward signal tower
  2. Connect outdoor antenna to "outdoor" port using provided cable
  3. Connect indoor antenna to "indoor" port
  4. Connect power adapter to AC socket
Product Images
Dual Band Signal Booster front view showing LCD display and controls Signal booster side view showing connector ports and ventilation Close-up of signal booster control panel and display Signal booster installation diagram showing antenna placement Complete signal booster kit with all accessories Signal booster in operation with active display Detailed view of signal booster internal components Signal booster performance testing setup Before and after signal strength comparison Signal booster warranty and support information Compact dual band signal booster unit with sleek design
Warranty & Support

Three-year warranty on the booster unit with 3-month coverage for accessories. All products are tested twice before shipping. For technical support, please provide installation photos or video documentation.

Technical Documentation

Download detailed product specifications:

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.