Tri-Band 900 1800 2100MHz Digital DAS Repeater with Adjustable Bandwidth

Name: Tri-Band 900 1800 2100MHz Digital DAS Repeater with Adjustable Bandwidth
Brand: Shenzhen Atnj Communication Technology Co., Ltd.
SKU: AS-140-GDW
Price: 415.00 USD
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: ATNJ

Certification: CE,ROHS，CCC，TUV,BV， ISO

Model Number: AS-140-GDW

Trading Properties

Minimum Order Quantity: 5Pcs

Price: USD+380---450+kit

Payment Terms: T/T,Western Union,Paypal,Alibaba,Bank transfering.

Supply Ability: 1000+unit+per day.

Mobile Signal Boosters

LTE Cell Signal Booster

Cellular Signal Booster

Specifications

900MHz Frequency Range:	UL890–910MHz, DL935–955MHz	1800MHz Frequency Range:	UL1710–1730MHz, DL1805–1825MHz/ UL1745–1765MHz, DL1840–1860MHz
2100MHz Frequency Range:	UL1960–1980MHz, DL2150–2170MHz	Bandwidth-900MHz:	20MHz , Supports From 0.2 To 20MHz Adjusted
Bandwidth-1800MHz:	20MHz&20MHz , Supports 2*20MHz From 0.2 To 20MHz Adjusted	Bandwidth-2100MHz:	20MHz , Supports From 0.2 To 20MHz Adjusted
Gain:	UL:65dB DL:70dB	Output Power:	UL:15dBm DL:≥17dBm
Weight:	≤3kg	Size:	23423052 (mm)
High Light:	2100MHz Digital Band Selective Repeater , Customized Digital Band Selective Repeater

Product Description

Multi Sub-Band Tri Band 900/1800/2100MHz Digital Band Selective Repeater

Model: AD-900/1800/2100

Key Features

Digital bandwidth-adjustable (0.2 to 20MHz) for flexible frequency adaptation
LCD display for real-time input/output signal monitoring
Auto isolation detection for optimal performance
Simultaneous enhancement for three mobile networks
Built-in Auto Gain Control (AGC) & Auto Level Control (ALC)
Adjustable center frequency
Optional OMS Lite for remote/local control and monitoring

Technical Specifications

Attribute	Value
900MHz Frequency Range	UL890–910MHz, DL935–955MHz
1800MHz Frequency Range	UL1710–1730MHz, DL1805–1825MHz/ UL1745–1765MHz, DL1840–1860MHz
2100MHz Frequency Range	UL1960–1980MHz, DL2150–2170MHz
Bandwidth-900MHz	20MHz, adjustable from 0.2 to 20MHz
Bandwidth-1800MHz	2×20MHz, adjustable from 0.2 to 20MHz
Bandwidth-2100MHz	20MHz, adjustable from 0.2 to 20MHz
Gain	UL:65dB, DL:70dB
Output Power	UL:15dBm, DL:≥17dBm
Weight	≤3kg
Dimensions	234×230×52mm

Working Schematic Diagram

Tri-Band 900 1800 2100MHz Digital DAS Repeater with Adjustable Bandwidth 0

Application Scenario

Tri-Band 900 1800 2100MHz Digital DAS Repeater with Adjustable Bandwidth 1

Detailed Technical Specifications

Parameter	B1 (2100MHz)	B3 (1800MHz)	B8 (900MHz)
Frequency Range (adjustable)	UL:1920-1980MHz DL:2110-2170MHz	UL:1710-1785MHz DL:1805-1880MHz	UL:880-915MHz DL:925-960MHz
Sub-bands	UL:1920-1940MHz DL:2110-2130MHz	UL:1710-1730MHz DL:1805-1825MHz	UL:900-910MHz DL:945-955MHz
Number of Sub-bands	1	2	1
Bandwidth (adjustable)	≤20MHz/0.2MHz	≤20MHz/0.2MHz	≤20MHz/0.2MHz
Max. Gain	UL:≥65±3dB DL:≥70±3dB	UL:≥65±3dB DL:≥70±3dB	UL:≥65±3dB DL:≥70±3dB
Output Power	UL:≥17±2dBm DL:≥20±2dBm	UL:≥17±2dBm DL:≥20±2dBm	UL:≥17±2dBm DL:≥20±2dBm

Tri-Band 900 1800 2100MHz Digital DAS Repeater with Adjustable Bandwidth 2

Tri-Band 900 1800 2100MHz Digital DAS Repeater with Adjustable Bandwidth 3

Frequently Asked Questions

Are you a trading company or manufacturer? Can I use my own logo?

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

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

Yes, we welcome sample orders for quality verification. Minimum order quantity is typically 1 unit.

Is the product easy to install?

Yes, we provide a comprehensive user manual and offer 24/7 technical support.

Does the signal booster emit radiation?

The device emits minimal radiation. It actually reduces phone radiation by improving signal strength during calls, making it safer than using phones in weak signal areas.

Can this repeater create a signal where none exists?

No, the repeater amplifies existing weak signals but cannot generate new signals where none are present.

Overall Rating

5.0

★★★★★

Based on 50 reviews recently

5 star

100%

4 star

3 star

2 star

1 star

All Reviews

A

Aleix Pellicer Garcia

Belgium Nov 9.2025

★★★★★
★★★★★

It works great, the frequency can be adjusted to Vodafone correctly,and LTE speed goes fast.
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
A

Abdul Sattar

Norway Jun 22.2025

★★★★★
★★★★★

Livraison dans un délai acceptable par voie aérienne. Qualité : j'attends d'installer totalement l'appareil.