Does it support serial mice?

No, the 4XRS232 USB Serial Hub does not support devices such as serial mice that require an IRQ number or I/O address.

What are the product dimensions and weight?

The product dimensions are 185.00 x 50.00 x 25.00mm, and the weight is 255g.

Is customization available for this product?

Yes, the supplier offers OEM and ODM services, including customization from samples, designs, and flexible customization options.

4-Port USB to dB9 RS232 Serial Adapter

Name: 4-Port USB to dB9 RS232 Serial Adapter
Brand: Shenzhen Caratar Technology Co., Ltd.
SKU: 2009215755

Guangdong, ChinaShenzhen Caratar Technology Co., Ltd.

US$89.99

200 Pieces

Product profile

Customization

Available

Application

Local Communication Cable, Coaxial Cable, LAN Cable, Fiber Optic Cable, Long Distance Symmetric Cable, RF Cable, Submarine Cable

Conductor Material

BC/CCS/CCA/TC/CU/CCAG

Model NO.

adapter

Cover Material

Type

Cat 6

Material Shape

Round Wire

Conductor Type

Stranded

Wire Core Material

Bare Copper Wire

Certification

CE, RoHS

Model

SDI

Brand

Customoziation

S

USB to RS232 Converter Serial Port Adapter

F

USB to dB9 Adapter Serial to USB Converter

T

Serial Port Adapter USB to Serial Converter

N

4-Port Serial Adapter USB to dB9 Adapter Serial to

Transport Package

Customization

Specification

customization

Trademark

CARATAR

Origin

China

Key features

4-Port USB Connectivity: Connect up to four 9-pin serial devices simultaneously via a single USB Type-A port.

High-Speed Data Transfer: Supports data transfer rates up to 921.6 Kbps for efficient communication.

Wide OS Compatibility: Compatible with Windows 7-11, macOS 10.6-11.0, and Linux 2.4.x-4.11.x.

Plug and Play Design: No external power adapter or additional drivers required; powered by USB port.

Versatile Applications: Ideal for POS systems, GPS, medical instruments, and industrial control devices.

Compact and Portable: Lightweight design (255g) makes it easy to carry and use on-the-go.

COM Port Retention: COM port assignments are maintained across reboots for stable operation.

Certified Quality: CE and RoHS certified, ensuring compliance with international safety standards.

Company profile

Full CustomizationODM ServicesR&D CapabilitiesPrivate Mold

Shenzhen Caratar Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤6.85h

AI-Powered supplier vetting

SummaryThe supplier operates in the research, development, production, and sales of digital, electronic, and communication products. It reports R&D activity, six R&D engineers, ODM and broad customization services, written quality and service procedures, and product and management certifications including FCC, RoHS, CE, and ISO9001:2015. Production-related evidence includes finished-product inspection instructions, four quality-control testing equipment units, and two quality-control staff, but no clear output quantities are provided. The supplier supports OEM services for well-known brands, while no Fortune 500 cooperation is reported. Overseas service infrastructure is limited: it has no overseas warehouse, showroom, agent, or branch, and reports zero countries served overseas. Financial records are referenced for recent years, but the slices do not provide sufficient financial performance evidence for a credibility judgment.

Supplier typeThe supplier’s licensed business scope covers the research and development, production, and sales of digital products, electronic products, and communication products, subject to applicable approvals. This identifies it as an electronics and communications product manufacturer and developer rather than only a trading or service entity.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and FCC, RoHS, and CE product compliance certifications. These certifications provide explicit evidence of formal quality management and stated product compliance coverage.

After-Sales capabilityThe supplier has six R&D engineers whose responsibilities include technical support for production and after-sales service, plus written procedures and records for complaint handling and corrective/preventive actions. However, it has no overseas warehouse, showroom, agent, or branch and reports zero countries offering overseas services, indicating documented support capability but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM service, six R&D engineers, and responsibilities covering customer requirements, technical support, and new product development. It lacks an available SDK, but the stated R&D activity and staffing provide positive evidence of product-development capability.

Production capacityThe supplier lists product categories including USB cables, PoE splitters, LoRa transmitters, and KVM switches, along with multiple facility types and standardized finished-product inspection instructions. Two quality-control staff and four testing-equipment units are reported, but no numerical production capacity is supplied, so scale cannot be assessed.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability, providing direct evidence of broad customization and design-support capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of at least some recognized-brand customer experience. However, it reports no cooperation with Fortune 500 companies and provides no named customers, project details, or verifiable case descriptions, so the depth of its customer case record is limited.