Shenzhen Atnj Communication Technology Co., Ltd.
                                                                                                           
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16 Years
Since 2010
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800MHz 900MHz Dual Band Cellular Signal Booster with 70dB Gain and 20dBm Power for 2G 4G Networks

Price Negotiable
Price: USD+75---90+kit
MOQ: 5Pcs
Delivery Time: 3-5 work days
Brand: ATNJ
Product Description
Product Overview

The 800MHz/900MHz Dual Band Repeater is a professional-grade cellular signal booster designed to enhance 2G and 4G network coverage in residential and commercial environments. With 70dB gain and advanced monitoring capabilities, this amplifier provides reliable signal enhancement for areas with weak cellular reception.

Key Features
  • Dual-band operation: 800MHz and 900MHz frequency support
  • High 70dB gain for maximum signal amplification
  • LCD display for real-time monitoring of signal strength and system status
  • Smart sleep mode for energy efficiency during inactive periods
  • Automatic gain control with 31dB step attenuation
  • ALC function prevents signal interference and ensures stable operation
  • WiFi monitoring and control capabilities
  • Coverage area: 100-300sqm (standard kit), expandable to 800sqm
Technical Specifications
Parameter Specification
Frequency Range Uplink: 832-862MHz, 880-915MHz
Downlink: 791-821MHz, 925-960MHz
Gain ≥70dB
Output Power 20dBm
Automatic Gain Control 31dB @ 1dB/Step, 20dB Min.
Operating Temperature -10°C to +55°C (Operation)
-20°C to +60°C (Storage)
Power Supply AC 110-220V±20%, 50/60Hz
Dimensions 165×130×40mm
Weight ≤0.8kg (Net)
Advanced Functions
LCD Display System

User-friendly interface displays critical information including input/output signal strength, power status, AGC settings, and installation guidance for easy setup and monitoring.

Energy-Saving Sleep Mode

Automatically enters sleep mode during periods of no call activity or data transmission, reducing power consumption while maintaining system readiness.

Automatic Operation Adjustment

Intelligent system automatically adjusts gain and signal levels to prevent self-excitation and ensure optimal performance. Automatic shutdown activates if system issues are detected.

Documentation

For complete technical specifications and installation details:

Product Images
800MHz 900MHz Dual Band Repeater front panel view with LCD display Mobile signal booster internal components and circuit board Cellular amplifier installation diagram and connection setup ALC function demonstration and signal control interface Signal booster rear panel with RF connectors and power input Mobile repeater unit dimensions and physical specifications Signal strength monitoring display and performance metrics Cellular amplifier packaging and included accessories Installation guide and setup instructions for residential use Technical specifications and frequency band selection options Complete mobile signal booster kit with antennas and cables
Frequently Asked Questions
Manufacturing & Customization

We are the factory manufacturer offering OEM/ODM services with custom logo and labeling options available.

Ordering & Support

Sample orders are welcome with MOQ of 1 unit. Comprehensive user manuals and 24/7 technical support ensure easy setup and operation.

Warranty & Service

All products include 3-year warranty coverage (excluding man-made damage and natural factors).

Application Areas

Suitable for use in suburbs and remote areas where a viable signal source is available, effectively solving cellular connectivity challenges.

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

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