Can I change the control password remotely?

Yes, the system supports remote password changes via GSM phones for enhanced security and safety.

What types of devices can this controller operate?

It works with almost every appliance, including heating systems, lighting, pumps, security systems, and garage doors.

GSM-Relay GSM Remote SMS Relay Controller

Name: GSM-Relay GSM Remote SMS Relay Controller
Brand: Shanghai Wafer Microelectronics Co., Ltd.
SKU: 647749565

Shanghai, ChinaShanghai Wafer Microelectronics Co., Ltd.

US$100.00

1-19 Pieces

US$80.00

20+ Pieces

Product profile

Application

Automatic Doors, Industrial Machinery, Household Appliances

Battery Type

Aaa Battery

Certification

Model NO.

GSM-RELAY

Material

Plastic

Transmission Distance

>100m

Type

GSM Controller

Universal

Voltage

12V

Power Supply

DC12V

Output Channel

7 Channels

GSM Band

850/900/1800/1900MHz

Output Rating

10A/220V

Box Type

Water Proof

Signal Transmission

RF Remote Control

Transport Package

Paper Carton

Specification

Trademark

WAFER

Origin

Shanghai

Production Capacity

3000 PCS Per Month

Key features

7 Independent Relay Channels: Features 7 independent relay switches for versatile control of various devices.

Dual Control Methods: Control relays via phone calls (No.1) or SMS text messages (other 6 channels).

Zero Call Cost Operation: Rejects incoming calls without answering, ensuring no call charges are incurred.

Wide Voltage Compatibility: Supports AC/DC 12-24V power input for flexible installation scenarios.

Robust Waterproof Design: Enclosed in a waterproof box, suitable for outdoor and industrial environments.

Global GSM Band Support: Compatible with 850/900/1800/1900MHz frequencies for worldwide use.

Enhanced Security Features: Includes optional password protection and remote password change capabilities.

Power Failure Memory: Retains relay status and settings automatically after power is restored.

Company profile

Shanghai Wafer Microelectronics Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: >24h

AI-Powered supplier vetting

SummaryShanghai Wafer Microelectronics Co., Ltd. is a China-based electrical and electronics supplier headquartered in Shanghai. The provided records identify it as both a trading company and manufacturer/factory, while another record classifies the company type as a trading company. Its stated product scope includes coin acceptors and selectors, vending-machine control boards and accessories, GSM management and monitoring units, automatic-door controllers, sensors, and related systems. The supplier claims advanced testing equipment, strict quality-assurance systems, sales coverage, software and electrical-system expertise, and customers or markets across multiple countries and regions. However, the evidence does not confirm certifications, financial credibility, dedicated after-sales processes, factory scale, or formal customization services.

Supplier typeThe supplier is identified as a trading company in one record and as both a trading company and manufacturer/factory in another. This indicates a mixed commercial and manufacturing profile, but the available information does not establish the relative extent of either activity.

R&D capabilityThe supplier describes multiple electronic and GSM products, including vending-machine management units, remote controllers, monitoring systems, sensor-based applications, software technology, and high-tech electrical-system design. This demonstrates a broad technology-oriented product scope, although no R&D metrics, patents, or independently verified innovation results are provided.

Production capacityThe supplier is listed as a manufacturer/factory and states that it manufactures coin acceptors, control boards, GSM units, sensors, and related electronic products. Its claimed testing equipment and product breadth support production capability, but no factory capacity, equipment list, workforce size, or production-volume evidence is available.

Client casesThe supplier states that its clients are located in Mainland China and several overseas countries and regions, including Singapore, Europe, Taiwan Area, South Korea, India, Malaysia, Australia, and South Africa. These are geographic customer claims rather than named customer cases, project references, or documented performance examples.