What is the operating voltage and frequency range?

The operating voltage is DC12V, and it supports Quad Band GSM frequencies: 850/900/1800/1900MHz.

GSM-Weekly GSM Remote Controller GSM Alarmand Battery on Board

Name: GSM-Weekly GSM Remote Controller GSM Alarmand Battery on Board
Brand: Shanghai Wafer Microelectronics Co., Ltd.
SKU: 742156185

Shanghai, ChinaShanghai Wafer Microelectronics Co., Ltd.

US$100.00

1-9 Sets

US$80.00

10+ Sets

Product profile

Application

Automatic Doors, Alarm

Battery Type

Aa Battery

Certification

Model NO.

GSM-WEEKLY

Material

Plastic

Transmission Distance

>100m

Type

GSM

Universal

Voltage

12V

Power Supply

DC12V

Working Frequency

Quad Band

Output Channels

Two Channel

Input

One Alarm Input

Battery on Box

Yes

Signal Transmission

RF Remote Control

Transport Package

Paper Carton

Specification

Trademark

FUGENG

Origin

Shanghai

Production Capacity

10000

Key features

Quad Band GSM Connectivity: Supports 850/900/1800/1900MHz for global wireless remote control access.

Dual Independent Relays: Features two relays with NO/NC contacts, switchable for 1 second to 18 hours.

Built-in Power Off Alarm: On-board rechargeable lithium battery ensures alarm functionality during power loss.

Weekly Timer Function: 16 time segments per relay allow precise automated scheduling for on/off cycles.

Secure Caller ID Access: White-list up to 100 authorized users; only listed numbers can activate relays.

IP65 Weatherproof Design: Robust plastic housing with IP65 rating for reliable outdoor or harsh environment use.

SMS & Call Control: Activate relays or program settings via incoming calls or SMS text commands.

CE Certified Quality: Meets CE safety standards for electronic equipment used in alarm and access systems.

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.