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  • Quality Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster factory
  • Quality Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster factory
  • Quality Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster factory
  • Quality Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster factory

Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster

Basic Properties
Place of Origin: China
Brand Name: ATNJ
Certification: CE,ROHS，CCC，TUV,BV， ISO
Model Number: JS-DB850/1800/P
Trading Properties
Minimum Order Quantity: 5Pcs
Price: USD+70---85+kit
Payment Terms: T/T,Western Union,Paypal,Bank transfering
Supply Ability: 1000+unit+per day.
Tags

2100MHz Mobile Signal Repeater

850MHz Mobile Signal Repeater

70dB Mobile Signal Repeater
Specifications
850MHz Frequency Range: 824-849MHz / 869-894MHz 1900MHz Frequency Range: 1850-1910MHz / 1930-1990MHz
Color: Black Or Gold ,Customized Power Supply: AC 110~220V±20%, 50/60Hz(AC 220V/ DC5V/2A Power Adapter)
Inter-Modulation Attenuation ACPR: ≤ -40dBc / 30kHz (measured Under Rated Output Power) Products type: Stronger Signal Cdma, Antenna Mobile Signal Booster
High Light:

70dB Dual Band Repeater

,

1800MHz Dual Band Repeater

,

850MHz Indoor Signal Booster
Product Description
Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster
Product Overview

Indoor Dual Band Repeater Signal Booster for 2G, 3G, and 4G networks operating at 850/1800MHz frequency bands.

Key Features
  • Intelligent installation guidance with LCD display
  • Real-time signal strength monitoring
  • Automatic dormancy when no active calls
  • Automatic alarm system for installation errors with solutions
  • Automatic gain adjustment to prevent self-excitation
  • Proactive damage detection and alerts
Technical Specifications
Specification Parameters
Frequency Range Uplink: 824-849MHz, 1710-1785MHz
Downlink: 869-894MHz, 1805-1880MHz
Frequency Bandwidth (3dB Bandwidth) 25MHz & 75MHz
Gain 70dB
Automatic Gain Control 31dB @ 1dB/Step
20dB Min.
Output Power 17±3dBm
Spurious Emission ≤ -15dBm/30kHz
9kHz~1GHz: ≤ -36dBm/30kHz
1GHz~12.75GHz: ≤ -30dBm/30kHz
Inter-Modulation Attenuation ACPR ≤ -40dBc / 30kHz
In-band Ripple ≤ 3dB
VSWR ≤ 2
I/O Impedance 50 Ω
Noise Figure ≤ 5dB
System Delay ≤ 5μs
RF Connector SMA (Female)
Operating Temperature Operation: -10°C ~ +55°C
Storage: -20°C ~ +60°C
Power Supply AC 110~220V±20%, 50/60Hz (AC 220V/ DC5V/2A power adapter)
Dimensions 165 × 130 × 40 mm
Weight ≤ 0.8 kg (Net)
Download Detailed Product Specification (PDF)
Product Details

Model No: JS-DB850/1800/P

Features ALC and AGC functions for automatic gain control and base station interference prevention.

Network Support
  • Band 3 (1800MHz): Uplink: 1710-1785MHz / Downlink: 1805-1880MHz
  • Band 5 (850MHz): Uplink: 824-849MHz / Downlink: 869-894MHz
  • Network Support: CDMA 2/3G + DCS 2/4G
Product Images
Indoor Gain 70dB Dual Band Repeater front view Indoor Gain 70dB Dual Band Repeater side view Indoor Gain 70dB Dual Band Repeater display panel
ALC Function

The ALC function prevents excessive signal output and interference.

ALC function diagram Signal amplification process Installation setup diagram
Package Contents
  • Dual Band Booster
  • Power adapter
  • Outdoor Log-periodic antenna
  • Indoor Omni antenna and Ceiling antenna
  • 5 meters cable
  • 20 meters cable
Package contents overview Complete product package Product quality certification
We are manufacturer, and have our own factory.
Frequently Asked Questions
Are you a trading company or manufacturer? Can I use my own logo and label?

We are a factory with trading services. We provide OEM/ODM services.

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

Yes, we welcome sample orders to test and check quality. MOQ is 1 for normal products.

Is it easy to set up your items?

Yes. We provide a user manual and offer technical support 24/7.

What is your warranty period?

We offer a 3-year warranty for all products shipped from us. Man-made sabotage and natural factors are not covered by warranty.

How can I get more information?

Please feel free to contact us if you have any other questions.

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Mr. Wave Luo

Sales Manager

Product Documents
850+1900MHz C03 Mobile Signal Repeater.pdf
PDF