How is the module powered?

It uses a wide power supply range of +8~32VDC with internal anti-reverse and overvoltage protection.

What interfaces does the WJ103 support?

It features RJ-45 network interface and supports RS232 or RS485 interfaces, selectable via web pages.

Is the product CE certified?

Yes, the product has obtained CE certification.

Modbus RTU to Modbus TCP Module RS232/RS485 to Network Module Efficient Modbus RTU Adapter

Name: Modbus RTU to Modbus TCP Module RS232/RS485 to Network Module Efficient Modbus RTU Adapter
Brand: Shenzhen Weijunrui Technology Co.,Ltd
SKU: 2216983005

Guangdong, ChinaShenzhen Weijunrui Technology Co.,Ltd

US$14.55-16.99

2 Pieces

Sample price:US$16.99/piece.Request sample

Product profile

Customization

Available

Usage

Server

Type

Sensor Signal

Model NO.

WJ103

Support Network

Ethernet

Information content

Data

Certification

Condition

New

Quantity

9999

Advantage

Modbus RTU Protocol Automatically Converts to Modb

Typical Applications

Serial Port to Industrial Ethernet

LAN Ethernet

10/100Mbps

Interface

Rj-45 Network Interface; RS232 Interface or RS485

Protect

Built in Tvs Overvoltage Protection

Transport Package

Boxed

Specification

106mm x 59mm x37mm

Trademark

wayjunr

Origin

Guangdong, China

Production Capacity

99999

Key features

Modbus Protocol Conversion: Automatically converts Modbus RTU to Modbus TCP and supports MQTT reporting.

Wide Power Supply Range: Supports +8~32VDC with internal anti-reverse and overvoltage protection.

Flexible Communication Modes: Supports TCP Server, TCP Client, UDP, and Virtual Serial Port modes.

Edge Computing Capability: Enables data edge computing for Modbus RTU or Modbus TCP protocols.

Mobile Configuration: Easily set WiFi passwords and parameters via mobile phone web pages.

High Baud Rate Support: RS232/485 baud rates adjustable from 300 to 256000.

Robust Protection: Built-in TVS overvoltage protection ensures device stability.

Long Transmission Distance: RS485 supports up to 1000 meters; network cable has no distance limit.

Company profile

Self-brandedHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.99h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D design, ODM, OEM, SDK, and recent product-development capabilities. It reports raw-material traceability, 100% finished-product inspection, CE certification, in-stock capacity, and stated order fulfillment within 15 working days in both off-peak and peak seasons. However, quality control appears limited to one inspector and packing-staff checks, while formal procedures for supplier assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and its export experience is three years with exports representing 11%–20% of sales. Financial credibility cannot be established because the provided financial fields report zero values. Customer evidence includes OEM service for popular brands and a 50%–80% repeat-buyer rate, but no Fortune 500 cooperation.

CertificationsCE certification is explicitly reported for product compliance with standards. The evidence supports holding at least this certification, but does not establish broader certification coverage.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints, and it lacks overseas warehouses, showrooms, agents, and branches. These are explicit limitations in formal complaint management and overseas service infrastructure.

R&D capabilityThe supplier reports R&D capability, new products launched during the past year, two R&D engineers, ODM services, and an available SDK. These explicit capabilities indicate active product-development and software-related innovation capacity.

Production capacityThe supplier reports in-stock capacity, 100% finished-product inspection, raw-material traceability, and fulfillment within 15 working days in both peak and off-peak seasons. However, only one quality inspector is reported and finished products are checked by packing staff, so the evidence supports operational capacity but reflects a limited documented quality-control structure.

Customization capabilityThe supplier explicitly offers 3D software design, customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services. The range of stated services indicates strong customization breadth.

Client casesThe supplier states that it provides OEM services for popular brands, while reporting no cooperation with Fortune 500 companies. A 50%–80% repeat-buyer rate is also reported, providing evidence of customer retention but not independently detailed customer case references.