What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What safety certifications does the product have?

The product is certified with ISO, GS, RoHS, and CE standards.

What is included in the standard package?

The package includes the power supply adapter, AC power cord, installation kit, and user manual.

Greetwin GSM 850MHz Cell Phone Signal Boosters / Marine Signal Booster High Power

Name: Greetwin GSM 850MHz Cell Phone Signal Boosters / Marine Signal Booster High Power
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 840252995

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$70.20-80.50

1 Piece

Product profile

Customization

Available

Type

Signal Repeater

Transmission Medium

Wireless

Model NO.

GW-23C-H

Standard

Lightning Protection

With Lightning Protection

Certification

ISO, GS, RoHS, CE

Condition

New

Product Name

Marine Signal Booster

Application

Marine, Houseboat

Mgc

31dB

RF Connector

N-Female

Impedance

50 Ohm

Weight

< 1.5 Kg

Description

Repeater Cell Phone Amplifier

Transport Package

Neutral Packing

Specification

CE, RoHS

Trademark

Greetwin

Origin

Shenzhen

HS Code

8543709200

Production Capacity

2, 000PCS/Month

Key features

Marine Signal Booster: Specialized kit for boosting cell signal in boats and marine craft to eliminate dropped calls.

High Power Gain: Max gain up to 75dB with output power of 23dBm for effective signal coverage.

Wide Band Support: Supports GSM 850, CDMA 800, LTE, and other major cellular frequencies.

Auto Gain Control: AGC and ALC features prevent over-saturation and oscillation for stable voice quality.

Easy Installation: Compact design allows individual customers to install without professional knowledge.

Customizable Design: Can customize the cover image on the booster for private styles.

Certified Safety: ISO, GS, RoHS, and CE certified with no negative impact on human health.

Reliable Performance: MTBF > 50,000 hours with low power consumption and good signal optimization.

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: ≤5.19hTerms 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.