Shenzhen Atnj Communication Technology Co., Ltd.
                                                                                                           
Verified Supplier
16 Years
Since 2010
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Consumer Electronic TV Receivers & Accessories Radio & TV Broadcasting Equipment

70dB Dual Band 2G 3G 4G Signal Repeater Booster 850/1800MHz with ALC AGC Control

Price Negotiable
Price: USD+70---85+kit
MOQ: 5Pcs
Delivery Time: 1-3 work days
Brand: ATNJ
Product Description
Product Overview

Professional indoor dual band cellular signal repeater with 70dB gain, supporting 2G, 3G, and 4G networks across 850MHz and 1800MHz frequency bands.

Key Features
  • Intelligent installation guidance with LCD display
  • Real-time signal strength monitoring
  • Automatic power saving when no active calls
  • Self-diagnostic system with error alerts and solutions
  • Automatic gain control to prevent system oscillation
  • Proactive damage detection and notification
Technical Specifications
Specification Parameters
Frequency Range Uplink: 824-849MHz, 1710-1785MHz
Downlink: 869-894MHz, 1805-1880MHz
Frequency Bandwidth 25MHz & 75MHz
Gain 70dB
Automatic Gain Control 20dB minimum, 31dB step attenuation @ 1dB/step
Output Power 17±3dBm
Noise Figure ≤ 5dB
System Delay ≤ 5μs
Operating Temperature -10°C to +55°C (Operation)
-20°C to +60°C (Storage)
Power Supply AC 110-220V±20%, 50/60Hz with DC5V/2A adapter
Dimensions 165×130×40 mm
Weight ≤0.8 kg (Net)
Product Details
Model: JS-DB850/1800/P

Features ALC (Automatic Level Control) and AGC (Automatic Gain Control) functions to prevent base station interference and ensure optimal performance.

Network Support

CDMA 2G/3G + DCS 2G/4G networks

Product Images
Indoor dual band repeater front view with LCD display Mobile signal booster side view showing connectors ALC function diagram preventing signal interference Signal repeater internal components and circuitry Professional installation setup demonstration Complete signal booster system components Packaging and accessories included with purchase Technical specifications and performance charts Factory manufacturing quality assurance
Package Contents
  • Dual Band Booster Unit
  • Power Adapter
  • Outdoor Log-periodic Antenna
  • Indoor Omni Antenna and Ceiling Antenna
  • 5 Meters Cable
  • 20 Meters Cable
Manufacturer Information

We are the original manufacturer with our own factory, providing OEM/ODM services and 24/7 technical support.

Frequently Asked Questions
Are you a trading company or manufacturer? Can I use my own logo?

We are the factory with trading services. We provide OEM/ODM services for custom branding.

Can I place a sample order? What is your MOQ?

Yes, we welcome sample orders for quality testing. Minimum order quantity is 1 unit for standard products.

Is the device easy to set up?

Yes, we provide comprehensive user manuals and 24/7 technical support for installation.

What is your warranty policy?

We offer a 3-year warranty for all products. Warranty excludes man-made damage and natural factors.

Documentation

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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