What payment methods are available?

T/T, Western Union, Paypal, and Credit Card are available. We suggest Alibaba Trade Assurance for the best security.

Can you customize the frequency bands?

Yes, we can customize Single, Double, Triple, Quad, or Penta Band for 2G/3G/4G networks.

Does the package include antennas?

No, the website price only includes the signal booster. Antennas, splitters, and couplers must be requested separately.

Tri-Band High Gain Cellular Network Repeater 2g 3G 4G LTE Dcs B3 B7 B20 Signal Booster

Name: Tri-Band High Gain Cellular Network Repeater 2g 3G 4G LTE Dcs B3 B7 B20 Signal Booster
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 2202769865

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$246.60-258.40

1 Piece

Sample price:US$258.40/piece.Request sample

Product profile

Customization

Available

Type

Signal Repeater

Transmission Medium

Wireless

Model NO.

GW-23LDL-K

Standard

Lightning Protection

With Lightning Protection

Certification

ISO, RoHS, CE

Condition

New

Coverage

1500-2500sqm

Power

23dBm

Gain

75dB

Power Supply

AC 100-240V, DC 9V 5A

RF Connector

N-Female

Gross Weight of Full Set

3.5kg

Feature

Alc,AGC,Auto Shut off

Transport Package

Neutral Packing

Specification

CE, RoHS

Trademark

Greetwin

Origin

Shenzhen

HS Code

8543709200

Production Capacity

20000PCS/Month

Key features

Wide Band Support: Supports 2G, 3G, 4G LTE including B3, B7, B20 bands for comprehensive coverage.

High Gain Performance: Delivers up to 75dB gain with 23dBm output power for strong signal amplification.

Smart Control Features: Equipped with ALC, AGC, and Auto Shut-off for stable and safe operation.

Large Coverage Area: Covers up to 2500 square meters depending on output power and local signal strength.

OEM/ODM Customization: Customizable brand logo, colors, and specific frequency bands to meet client needs.

Lightning Protection: Built-in lightning surge protector ensures safety and durability in outdoor installations.

Low Power Consumption: Compact design with efficient power supply (AC 100-240V) for energy saving.

Easy Installation: Wall-mounted design with clear connection ports and included mounting hardware.

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: ≤5.43hTerms 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.