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ATNJ 80dB Gain Dual-Band 800/900MHz LTE GSM Signal Booster

Basic Properties
Place of Origin: China
Brand Name: ATNJ
Certification: CE,ROHS,CCC,TUV,BV, ISO
Model Number: AS-012-800/900
Trading Properties
Minimum Order Quantity: 5Pcs
Price: USD+250---270+kit
Payment Terms: T/T,Western Union,Paypal,Alibaba,Bank transfering.
Supply Ability: 1000+unit+per day.
Specifications
Band20 800MHz Range: 832-862MHz/791-821MHz Band8 900MHz Range: 890-915MHz/935-960MHz
Gain: 80dB Output power: 27dBm
Color: Black Products type: Signal Amplifier
RF Connect Type: SMA/Female Power Supply: AC 110~220V±20%, 50/60Hz(AC 220V/ DC24V/5A Power Adapter)
Shipping Way: DHL, FedEx, UPS, Etc. Application: Indoor
High Light:

900MHz GSM Mobile Signal Booster

,

900MHz LTE Mobile Signal Booster

,

GSM Repeater 900mhz

Product Description
ATNJ Dual-Band Band20 Band8 800/900MHz LTE GSM Mobile Signal Booster
Product Overview

This professional-grade signal booster enhances 2G/4G cellular connectivity by amplifying weak signals. When connected to the external antenna, your device will operate as if near a cell tower, improving data rates, preventing dropped calls, and extending battery life by reducing power consumption.

Key Features
  • Dual-band operation (LTE 800 / GSM 900)
  • 82dB gain with 27dBm output power
  • LCD display with sleeping mode
  • Automatic Gain Control (AGC) function
  • Compact design (165*130*40mm)
  • Comprehensive alarm monitoring system
Technical Specifications
Parameter Specification
Frequency Range Uplink: 832-862MHz, 890-915MHz
Downlink: 791-821MHz, 935-960MHz
Gain 80dB
Output Power 27dBm
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
Download Complete Technical Specifications (PDF)
Package Contents
  • Tri Band Booster Base Unit
  • AC Power Cord
  • Outdoor Panel Antenna
  • Indoor Panel Antenna
  • 35 Meters White Coaxial Cable
Product Images
Installation & Troubleshooting
  • Ensure outdoor antenna points toward signal tower (minimum -70dBm strength)
  • Verify all power connections are secure
  • Maintain minimum 10m separation between indoor/outdoor antennas
  • Apply waterproofing to outdoor connectors
Frequently Asked Questions
  • Manufacturer: We are the factory with OEM capabilities
  • Samples: Available with MOQ of 1 unit
  • Warranty: 3-year coverage (excludes physical damage)
  • Setup: Includes manual with 24/7 technical support
Benefits of Signal Boosting
  • Eliminates dropped calls and missed texts
  • Improves voice call quality
  • Enhances data speeds for streaming/downloads
  • Extends mobile device battery life
  • Expands coverage area in buildings/vehicles
Overall Rating
5.0
★★★★★
★★★★★
Based on 50 reviews recently
5 star
100%
4 star
0
3 star
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2 star
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0
All Reviews
  • D
    David Goden
    Belgium Nov 6.2025
    ★★★★★
    ★★★★★
    Installation was much simpler than expected! Following the manual step by step, I managed it myself, and the signal was immediately full, it felt so rewarding
  • M
    MILTON HIDALGO
    Croatia (local name: Hrvatska) Oct 21.2025
    ★★★★★
    ★★★★★
    Shipment arranged in time,and the repeater working well.
  • S
    Sharjeel Ahmed Khan
    Italy Jul 13.2025
    ★★★★★
    ★★★★★
    I have bought these products before, and I have had no problems, they are of very good quality.