Shenzhen Atnj Communication Technology Co., Ltd.
                                                                                                           
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16 Years
Since 2010
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GSM DCS 900/1800MHz Dual Band Mobile Signal Booster 70dB Amplifier with 20dBm Output Power

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

The GSM DCS 900/1800MHz Mobile Signal Booster is a dual-band 2G/4G repeater with 70dB amplification designed to solve indoor signal coverage problems caused by architectural obstacles and signal attenuation.

Technical Specifications
ParameterSpecification
Frequency Range (Uplink)890-915MHz, 1710-1785MHz
Frequency Range (Downlink)935-960MHz, 1805-1880MHz
Frequency Bandwidth25MHz & 75MHz
Gain70dB
Automatic Gain Control20dB Min.
Output Power20±3dBm
Noise Figure≤ 5dB
System Delay≤ 5μs
Operating Temperature-10°C to +55°C
Power SupplyAC 110-220V±20%, 50/60Hz
Dimensions165×130×40mm
Weight≤0.8kg

Key Features
  • LCD screen displaying outdoor signal strength and output values
  • Automatic gain adjustment based on individual signal conditions
  • Energy-saving sleep mode when mobile internet is not in use
  • Improves GSM call quality and 2G/3G/4G network performance
  • Easy installation with guided setup process and error troubleshooting
How It Works
  1. Outdoor antenna receives signal from nearest mobile base station
  2. Signal travels through coaxial cable to the repeater unit
  3. Repeater amplifies the weak signal
  4. Amplified signal travels to indoor antenna via coaxial cable
  5. Indoor antenna transmits improved signal to mobile devices
Package Contents
  • Dual Band Booster unit
  • Power adapter
  • Outdoor log-periodic antenna
  • 2× Indoor ceiling antennas
  • 2× 5-meter cables
  • 1× 20-meter cable
Application Areas
  • Underground areas: basements, parking lots, tunnels
  • Signal-shielded locations: offices, supermarkets, cinemas, hotels
  • Remote areas distant from base stations: private houses, rural locations
Product Images
LCD Display 2G 3G 4G Dual Band Repeater front view with signal indicators Dual Band Repeater side view showing connectivity ports Mobile Signal Booster installation diagram with antenna placement Signal booster components including outdoor and indoor antennas Cellular signal amplifier kit complete package contents Signal repeater technical specifications and performance metrics Mobile signal booster working principle illustration step by step Signal amplification process diagram showing signal improvement Complete mobile signal booster system installation overview Packaging and shipping box for GSM DCS mobile signal booster Signal booster application in underground parking lot environment Mobile signal repeater installation in office building setting GSM DCS 900/1800MHz Mobile Signal Booster product showcase

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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