What payment methods are available?

T/T, Western Union, Paypal, and Credit Card are available, but we suggest paying by Alibaba Trade Assurance, the most favor, and security method. *Other methods please contact us with more details.

Can you customize the frequency bands?

We can customize Single/Double/Triple/Quand/Penta Band for cellphone signal like 2G/3G/4G(GSM/CDMA/DCS/PCS/WCDMA/LTE, etc,)

Does the price include antennas?

Cellphone signal booster must attach one indoor antenna and one outdoor antenna by two coaxial cables. Website's price only includes a signal booster, please contact us if you need one set of devices with antenna, splitter, and coupler.

27dBm GSM 900MHz Line Amplifier Signal Repeater Booster (GW-27LAG)

Name: 27dBm GSM 900MHz Line Amplifier Signal Repeater Booster (GW-27LAG)
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 757221695

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$135.21

1-19 Pieces

US$131.42

20-99 Pieces

US$128.98

100+ Pieces

Product profile

Customization

Available

Type

Signal Repeater

Transmission Medium

Cable

Model NO.

GW-27LAG

Standard

Lightning Protection

With Lightning Protection

Certification

ISO, RoHS, CE

Condition

New

Line Amplifier

20dBm GSM900MHz

Power

27dBm

Gain

0-40db

Noise Figure

6db

RF Connector

N-Type

Color

Black

Temperature Range

-10oc~55oc

Dimensions

268mm*58mm*189mm

Weight

3.5kg

Description

GSM Line Amplifier

Transport Package

Neutral Packing

Specification

CE, RoHS

Trademark

Greetwin

Origin

Shenzhen

HS Code

8543709200

Production Capacity

2, 000PCS/Month

Key features

Wide Band Support: Supports CDMA800, GSM, DCS, PCS, WCDMA, LTE 4G, and more.

Customizable Frequency: Working frequency and output power can be customized for specific bands.

Smart Function Control: Intelligent mode setting via front panel LED for easy gain and band adjustment.

Auto Level Control: 30dB ALC maintains steady output power despite donor signal fluctuations.

High Linear Design: ALC function design ensures low interference to BTS and high signal quality.

Cost-Effective Solution: Reduces drop/off calls in weak signal zones for homes, offices, and cars.

Compact & Easy Install: Compact size with low power consumption and easy installation process.

OEM/ODM Service: Customize brand logo, colors, and frequencies for specific market needs.

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: ≤6.07hTerms 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.