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

80dB Gain 4G Signal Repeater Tri Band Booster 800/900/1800MHz with LCD Display for Cellular Enhancement

Price Negotiable
Price: USD+315---330+kit
MOQ: 5Pcs
Delivery Time: 3-5 work days
Brand: ATNJ
Product Description
Product Overview

This 80dB gain tri-band cellular signal repeater amplifies 2G, 3G, and 4G signals across 800MHz, 900MHz, and 1800MHz frequency bands. Featuring an LCD display for real-time monitoring, it provides intelligent installation guidance and automatic system optimization.

Key Features
  • Intelligent LCD display for installation guidance and real-time signal strength monitoring
  • Automatic dormancy when no active calls to conserve energy
  • Self-diagnostic system with automatic alarms for installation errors
  • Automatic gain control to prevent system self-excitation
  • Proactive damage detection and notification system
  • ALC and AGC functions to avoid base station interference
Technical Specifications
Parameter Specification
Frequency Range (Uplink) 832-862MHz, 890-915MHz, 1710-1785MHz
Frequency Range (Downlink) 791-821MHz, 935-960MHz, 1805-1880MHz
Gain 80dB
Output Power 27dBm
Automatic Gain Control 20dB minimum, 31dB step attenuation
Noise Figure ≤ 5dB
Operating Temperature -10°C to +55°C
Power Supply AC 110-220V ±20%, 50/60Hz
Weight ≤ 8 kg (Net)
RF Connector N-Type Female
Application Areas

Ideal for locations with poor cellular signal coverage including:

  • Underground areas: basements, parking lots, tunnels
  • Signal-shielded spaces: offices, supermarkets, cinemas, hotels
  • Remote locations distant from base stations: private houses, rural properties
How It Works
  1. Receives outdoor signal from cellular tower
  2. Cable transmits signal to repeater unit
  3. Signal booster amplifies the received signal
  4. Enhanced signal improves indoor cellular reception
Installation & Troubleshooting
Common Installation Solutions:
  • Adjust outdoor antenna location and direction
  • Verify cable connections are secure
  • Elevate receiving antenna position for better signal capture
  • Consider higher power booster for larger coverage areas
  • Upgrade to higher gain receiving antenna for improved performance
Product Documentation

Download detailed technical specifications:

Product Images
Multi-band Mobile Signal Booster 800/900/1800MHz front view with LCD display Multi-band Mobile Signal Booster 800/900/1800MHz side view Multi-band Mobile Signal Booster 800/900/1800MHz rear panel connections Multi-band Mobile Signal Booster 800/900/1800MHz internal components Multi-band Mobile Signal Booster 800/900/1800MHz installation diagram Multi-band Mobile Signal Booster 800/900/1800MHz technical specifications display Multi-band Mobile Signal Booster 800/900/1800MHz frequency band coverage Multi-band Mobile Signal Booster 800/900/1800MHz application scenarios Multi-band Mobile Signal Booster 800/900/1800MHz signal coverage improvement ATNJ 2G 3G 4G booster tri band with dual LCD display ATNJ 2G 3G 4G booster tri band installation setup ATNJ 2G 3G 4G booster tri band operational workflow Multi-band Mobile Signal Booster 800/900/1800MHz complete system package Multi-band Mobile Signal Booster 800/900/1800MHz packaging and accessories

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.