What is the maximum gain and output power?

The maximum gain is 70dB or 75dB, and the maximum output power is 20dBm or 23dBm depending on the model.

Is this device suitable for weak signal zones?

Yes, it is designed to cover small blind and weak zones where macro-cell coverage is insufficient.

23dBm Five Band 2g 3G 4G GSM Mobile Signal Amplifier /Booster

Name: 23dBm Five Band 2g 3G 4G GSM Mobile Signal Amplifier /Booster
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 786471105

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$410.70-461.20

1 Piece

Product profile

Customization

Available

Type

Signal Repeater

Transmission Medium

Wireless

Model NO.

GW-23LGDWL

Standard

Lightning Protection

With Lightning Protection

Certification

ISO, RoHS, CE

Condition

New

Signal Booster

Five Band

Transport Package

Neutral Packing

Specification

CE, RoHS

Trademark

Greetwin

Origin

Shenzhen

HS Code

8517699000

Production Capacity

5000/Month

Key features

Five Band Signal Support: Supports 2G, 3G, 4G, and GSM bands for comprehensive coverage.

Smart Digital Control: Adjust gain and working band via LED panel, easier than DIP switches.

High Gain & Output: Max gain up to 75dB and output power up to 23dBm for strong signals.

Intelligent Protection: Features AGC, ALC, and alarm LEDs to ensure stable and safe operation.

Durable Metal Build: Quality metal construction with good heat dissipation for longevity.

Wide Frequency Range: Covers GSM 900, DCS 1800, WCDMA 2100, LTE 800, and LTE 2600.

Low Power Consumption: Designed for low power usage and low interference in mobile zones.

Certified Quality: ISO, RoHS, and CE certified with lightning protection included.

Company profile

High Repeat Buyers ChoiceYears of Export Experience3D Software DesignR&D Capabilities

Shenzhen Greetwin Telecom Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-08-01Nearest Port: ShenzhenAverage Response Time: ≤5.15hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturer with three production lines and stated output of mobile signal boosters and signal jammers. It provides broad customization, ODM, and OEM services, including OEM support for recognized brands, and reports product development during the past year. Its business scope covers communication, security, electronic, and related equipment, with import and export permitted. Production and export capabilities are documented, including markets across multiple regions and a stated off-peak lead time within 15 working days. Service procedures, corrective actions, complaint handling, and finished-product inspection procedures are documented and followed. However, the supplier reports no available SDK, no in-stock service, and no overseas warehouse or showroom. The provided information does not establish certifications, financial strength, or specific customer cases.

Supplier typeThe supplier is explicitly classified as a manufacturer. Its described offerings cover manufacturing capacity, quality control, R&D, export trade, and related capabilities, supporting a direct manufacturing profile.

After-Sales capabilityThe supplier has written procedures and followed records for service assessment, corrective and preventive actions, and customer complaint handling. However, it reports no in-stock service capacity, overseas warehouse, or overseas showroom, indicating procedural service capability but limited stated overseas support infrastructure.

R&D capabilityThe supplier reports new products during the past year, offers ODM services, and supports customization from samples and designs. It does not have an available SDK, which limits the documented software-development interface capability, but this alone does not negate the stated product R&D evidence.

Production capacityThe supplier is a manufacturer operating three production lines and reports annual production quantities of 2,000,000 mobile signal boosters and 2,000,000 signal jammers, with a stated off-peak lead time within 15 working days. It also has valid manufacturing-capacity contracts with each associated subcontractor, although no in-stock capacity is available.

Customization capabilityBoth slices explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, providing direct evidence of broad customization capability.