Does the module support automatic reconnection?

Yes, it features automatic reconnection and automatic restart after disconnection.

Is customization available for this product?

Yes, the supplier offers full customization, minor customization, and flexible customization options.

Galmc Gwm300 IoT Wireless Data Transmission Terminal Equipment RS485 RS232 Ttl Wireless Transmission Module

Name: Galmc Gwm300 IoT Wireless Data Transmission Terminal Equipment RS485 RS232 Ttl Wireless Transmission Module
Brand: Xi'an Gavin Electronic Technology Co., Ltd.
SKU: 2307760545

Shaanxi, ChinaXi'an Gavin Electronic Technology Co., Ltd.

US$143.00

1-99 Pieces

US$114.00

100+ Pieces

Product profile

Customization

Available

Type

Wireless Data Transmission Terminal Equipment,

Information content

Data

Model NO.

GWM300

Certification

Application Type

Electric Power/Petroleum

Network Format

Allnetcom4g2g/3G/4G

Configuration

USB Local Configuration Method

Data Rate

300~115200BPS(115200BPS Default)

Size

92*64*26mm

Power Supply

8~28VDC

Network Support

Operating

Temperature

Supplier Type

Wireless

Power Consumption

Average Current During Launch: 40mA@+24V

Working

Temperature:-30~+80c Environment Humidity:<95%Rh

Data Interface

RS485, RS232, Ttl

Interface Type

USB

Trademark

GAIMC

Origin

Shaanxi, China

Key features

Multi-Interface Support: Equipped with RS485, RS232, and TTL interfaces for versatile industrial instrument connection.

4G Network Compatibility: Supports AllNetcom 4G, 3G, and 2G networks for reliable cloud data upload and remote monitoring.

Low Power Consumption: Features optimized design with average launch current of 40mA@+24V and idle current of 20mA.

Flexible Configuration: Allows configuration via USB local port or server remote configuration methods.

Automatic Reconnection: Includes automatic reconnection and restart features after disconnection for stability.

Customization Available: Offers full, minor, and flexible customization options based on samples or designs.

10+ Years Experience: Backed by over a decade of industry expertise and a dedicated R&D department.

Company profile

Product CertificationFast DeliveryFull CustomizationHigh Repeat Buyers Choice

Xi'an Gavin Electronic Technology Co., Ltd.

Shaanxi, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Xian PortAverage Response Time: ≤4.81h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company engaged in sensor, transmitter, and related instrument research, manufacturing, sales, and service. It reports ISO 9001-related certification, TS 16949 and ISO 20000 certifications, CE capability, ERP integration, three production lines, and documented procedures for supplier-service assessment, corrective actions, and complaint handling. It offers 3D design, ODM, and multiple customization models, but reports no new products during the past year, no SDK, and no OEM service for popular brands. Overseas service infrastructure is limited: no overseas warehouse, showroom, agent, or branch, and the stated overseas-service country count is zero. Financial records are referenced for recent years, but the provided slices do not disclose sufficient non-financial evidence to assess financial credibility. No customer cases are provided.

Supplier typeThe supplier is explicitly classified as a trading company. Its company description states that it conducts research, development, manufacturing, sales, and service for sensors, transmitters, and related instruments.

CertificationsThe supplier reports TS 16949, ISO 9001, and ISO 20000 certifications, along with an ISO 9001:2015 certificate and CE certification capability. These stated certifications provide explicit evidence of formal quality or management-system credentials.

After-Sales capabilityThe supplier reports documented and followed procedures for corrective and preventive actions and customer complaints. However, it has no overseas warehouse, showroom, agent, or branch, and the stated overseas-service country count is zero, indicating documented service processes but limited overseas service infrastructure.

Production capacityThe company describes itself as involved in manufacturing sensors and related instruments and reports operating three production lines. It also provides a stated water-level-sensor output figure, but the overall production scale and broader capacity are not sufficiently detailed for a complete capability assessment.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad product customization capability.

Product Q&A

Q:What is the GWM300 wireless transmission module used for?

It is an IoT terminal equipment for wireless data transmission, connecting industrial instruments like temperature and pressure meters to upload data to cloud platforms for remote monitoring.

Q:What communication interfaces does the GWM300 support?

The module supports three communication interfaces: RS485, RS232, and TTL.

Q:What is the data rate of the GWM300?

The data rate ranges from 300 to 115200bps, with 115200bps as the default setting.

Q:What are the power supply requirements for this module?

The module requires a power supply of 8 to 28VDC.

Q:Can the module be configured remotely?

Yes, it supports both USB local configuration and server remote configuration.