What is the minimum order quantity?

The Minimum Order Quantity (MOQ) is 1 PCS.

What certifications does the product have?

The product holds FCC, RoHS, and CE certifications.

4 RS232\RS485\RS422 Interfaces Serial Device Server Modbus Gateway Modbus RTU Master Slave

Name: 4 RS232\RS485\RS422 Interfaces Serial Device Server Modbus Gateway Modbus RTU Master Slave
Brand: Shenzhen Caratar Technology Co., Ltd.
SKU: 2177752135

Guangdong, ChinaShenzhen Caratar Technology Co., Ltd.

US$179.99

500-1,999 Pieces

US$139.99

2,000+ Pieces

Product profile

Customization

Available

Transmission Channel

Cable Modem

Type

Internal

Signal Type

Band Modem

Installation

Rack-Mounted

Clip Function

Customoziation

Interface Type

Customoziation

Transmission Rate

Customoziation

Application

Industrial

Transport Protocols

Customoziation

Transmission Mode

Customoziation

N

Fiber Multiplexer 4 Rj11 Ports Phone Line Over Fi

P

USB to 4-Port RS-232/422/485 Serial Hub Converter

F

USB to 4-Port RS-232/422/485 Serial Hub Converter

S

10 / 100 / 1000 Ethernet Port 20km 4 Channel PCM

Transport Package

Customized

Specification

customized

Trademark

Kangyuda

Origin

China

Production Capacity

600000

Key features

Modbus Protocol Conversion: Converts between Modbus RTU and Modbus TCP for Master/Slave access control.

Multi-Interface Support: Features 4 RS232/RS485/RS422 ports with baud rates from 300-921600bps.

Wide Voltage Input: Supports DC 12-48V input with reverse polarity protection for industrial use.

Metal Shell Durability: Constructed with a metal casing (IP30) for robust industrial environment performance.

Customizable Parameters: Offers customization for clip function, interface type, transmission rate, and protocols.

Web Firmware Upgrade: Allows convenient firmware updates via Web interface for special application needs.

Compact Rack-Mount Design: Dimensions 161x91x37mm, suitable for rack mounting in control fields.

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: ≤4.48h

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.