Shenzhen Atnj Communication Technology Co., Ltd.
                                                                                                           
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16 Years
Since 2010
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Dual Band 900MHz 1800MHz Cell Phone Signal Repeater 70dB Gain 20dBm Output for 2G 4G Networks

Price Negotiable
Price: USD+70---85+kit
MOQ: 5Pcs
Delivery Time: 2 work days
Brand: ATNJ
Product Description
Professional Dual Band Cell Phone Signal Repeater

This advanced 900MHz/1800MHz dual band signal repeater provides reliable 2G/4G cellular signal amplification with 70dB gain, designed for challenging environments with poor network coverage.

Key Features & Benefits
  • Intelligent LCD Display: Shows real-time signal strength, power status, AGC control, and installation guidance for easy setup
  • Energy-Efficient Sleep Mode: Automatically enters low-power mode during inactivity to reduce energy consumption
  • Automatic Gain Control: Self-adjusting system prevents self-oscillation with 31dB step attenuation and automatic shutdown protection
  • Compact Modern Design: Sleek 165×130×40mm enclosure with lightweight construction (≤0.8kg) suitable for any environment
  • ALC Function: Prevents excessive signal output and interference for stable performance
Technical Specifications
ParameterSpecification
Frequency RangeUplink: 890-915MHz, 1710-1785MHz
Downlink: 935-960MHz, 1805-1880MHz
Frequency Bandwidth25MHz & 75MHz
Gain70dB
Output Power20dBm
Automatic Gain Control31dB @ 1dB/Step, 20dB Min.
Noise Figure≤ 5dB
Operating Temperature-10°C to +55°C
Power SupplyAC 110-220V±20%, 50/60Hz
Dimensions165×130×40mm
Weight≤0.8kg

How It Works
  1. Receives Signal: External antenna captures available cellular signal from nearest tower
  2. Boosts Signal: Amplifier processes and strengthens the signal with 70dB gain
  3. Broadcasts Signal: Enhanced signal is distributed to mobile devices within coverage area
Installation & Connection

Mounting: Secure to wall using expansion bolts. Drill holes, install bolts, align booster, and tighten fasteners.

Connections:

  • BTS Port: Connect donor antenna cable to Outdoor Port
  • MS Port: Connect service whip antenna to Indoor Port
  • DC IN: Connect power adapter
Package Contents
  • GSM 900MHz DCS 1800MHz Dual Band Booster
  • Power adapter
  • Outdoor Log-periodic antenna
  • Indoor Omni antenna and Ceiling antenna
  • 5 meters cable and 20 meters cable
Ideal Applications
  • Underground areas: basements, parking lots, tunnels
  • Signal-shielded locations: offices, supermarkets, cinemas, hotels with concrete/metal walls
  • Remote locations: private houses distant from cellular towers
Product Images
LCD Display showing signal strength and status indicators on dual band repeater
Internal components and circuit board of cellular signal amplifier
Front panel view of signal repeater with LCD display and connection ports
Side view showing compact design and ventilation of signal booster unit
Rear panel with antenna connections and power input on signal repeater
Installation diagram showing proper antenna placement for optimal signal reception

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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