Is there protection against self-oscillation?

Yes, the auto shut-off function prevents deep self-oscillations that could jam towers, protecting the carrier network and saving maintenance trouble.

What are the power supply requirements?

It accepts AC input of 90-264V and outputs DC 9V / 5A. The device is designed for low power consumption.

What certifications does the product have?

The signal booster is certified with ISO, RoHS, and CE standards, ensuring compliance with international quality and safety regulations.

20dBm 70dB Egsm Dcs Dual Band Signal Booster

Name: 20dBm 70dB Egsm Dcs Dual Band Signal Booster
Brand: Shenzhen Etenda Technology Limited
SKU: 811091975

Guangdong, ChinaShenzhen Etenda Technology Limited

Negotiable

1 Piece

Product profile

Customization

Available

Type

Signal Repeater

Transmission Medium

Cable

Model NO.

ET-CR20DI-F

Standard

Lightning Protection

With Lightning Protection

Certification

ISO, RoHS, CE

Condition

New

Weight

4kg

Packing Size

35*35*13cm

Color

Black

AC

90-264V

Noise Figure

<6dB

Vswr

<1.8

Frequency Stability

<0.01ppm

Transport Package

Carton

Specification

CE, ROHS

Trademark

etenda

Origin

Shenzhen

HS Code

8517611010

Production Capacity

1000PCS/Month

Key features

Dual Band Coverage: Supports any two systems including EGSM, DCS, WCDMA, CDMA, LTE, and more.

High Gain Output: Provides up to 70dB gain and 20dBm output power for strong signal enhancement.

Automatic Gain Control: Built-in AGC and ALC circuits automatically adjust gain based on input signal strength.

Manual Gain Adjustment: Features 31dB manual gain control with 1dB step precision for precise installation.

Auto Shut-Off Protection: Prevents deep self-oscillations and tower jamming with automatic shutdown function.

Wide Application Scope: Ideal for offices, restaurants, KTVs, parking lots, and large indoor coverage areas.

Certified Quality: Complies with ISO, RoHS, and CE standards for safety and reliability.

Compact Design: Elegant and compact structure weighing only 4kg, easy to install and maintain.

Company profile

Shenzhen Etenda Technology Limited

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2008-06-28Nearest Port: ShenzhenAverage Response Time: >24hTerms of Payment: T/T, D/P, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF, DDP, CIP, FCA, EXW

About Our Factory & Business Background

Address3 Floor, Building B, Fifth Industrial Park, Gongye Road, Longhua, China Guangdong, Shenzhen, Guangdong, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSignal Repeater, Band Selective Repeater, CDMA Repeater, Triple Band Repeater, Four Band Repeater, Dual Band Repeater, WCDMA Repeater, Dcs Repeater, VHF/UHF Signal Repeater, Signal Booster

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Which frequency bands are supported?

The booster supports dual bands including EGSM, DCS, WCDMA, CDMA, PCS, AWS, and LTE. Specific models cover combinations like GSM900+DCS1800 or WCDMA2100+LTE2600.

Q:What is the maximum gain and output power?

The device offers a maximum gain of up to 70dB and a maximum output power of 20dBm, ensuring effective signal coverage.

Q:Does it have automatic gain control?

Yes, it features built-in AGC (Automatic Gain Control) and ALC (Automatic Level Control) circuits that adjust gain based on input signal strength.

Q:Can the gain be adjusted manually?

Yes, it provides 31dB of manual gain control with 1dB step precision for both uplink and downlink, allowing precise adjustment during installation.

Q:What is the coverage area?

The typical application coverage is approximately 2500 square meters, suitable for business places like offices, restaurants, and parking lots.