Does the device support lightning protection?

Yes, the repeater comes with lightning protection.

3G 2100 Band Selective Repeater Mobile Signal Amplifier with Movable Central Frequency

Name: 3G 2100 Band Selective Repeater Mobile Signal Amplifier with Movable Central Frequency
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 772487815

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$412.30-547.60

1 Piece

Sample price:US$547.60/piece.Request sample

Product profile

Customization

Available

Type

Signal Repeater

Transmission Medium

Cable

Model NO.

GW-23MF(3G)

Standard

Lightning Protection

With Lightning Protection

Certification

ISO, RoHS, CE

Condition

New

Selective Repeater

3G2100

Transport Package

Neutral Packing

Specification

CE, RoHS

Trademark

Greetwin

Origin

Shenzhen

HS Code

8543709200

Production Capacity

2, 000PCS/Month

Key features

Adjustable Central Frequency: Bandwidth central frequency is adjustable via SW setup for 3G 2100MHz networks.

Smart Interference Prevention: Automatically prevents UL interference and self-oscillation with insufficient isolation.

Plug and Play Installation: Easy and simple installation with operational user-friendliness.

Auto Level Control (ALC): Maintains steady output power even when donor source signal fluctuates.

Manual Gain Control (MGC): Provides manual gain attenuation to ensure flexibility to various signal conditions.

Antenna Isolation Testing: AIT function prevents interference and self-oscillation between donor and service antennas.

Uplink Silent Mode: Minimizes possible uplink interference from the repeater to the network.

Wide Certification Coverage: Certified with ISO, RoHS, CE, RTTE 1999/5/EC & 2004/108/EC.

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: ≤5.06hTerms 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.

Product Q&A

Q:What payment methods are available?

T/T, Western Union, Paypal, and Credit Card are available. We suggest paying by Alibaba Trade Assurance for the most favorable and secure method. Contact us for other details.

Q:What is the delivery lead time?

For less than 20 pcs, lead time is 3-5 business days with 3-7 days delivery. For 20-100 pcs, lead time is 7-15 business days. For over 100 pcs, lead time is 15-24 business days.

Q:Can I customize frequencies?

Yes, we can customize 2G/3G/4G/5G/GSM/DCS/AWS/PCS/CDMA/WCDMA/LTE etc.

Q:What should I do if I don't know about frequency in my country?

Please feel free to Contact us with your inquiry, we will find the frequency you need and address your problems.

Q:What is the maximum gain of the repeater?

The maximum gain is >=70dB and >=75dB depending on the specific configuration.