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We have a variety of product solutions to meet the different needs of customers, our efficiency is high, service quality, customer praise.

2025.10.28

Application of the Fixed IMSI Catcher System in Key Supervised Areas Such as Prisons

With the development of modern communication technology, mobile phones have been widely popularized. While mobile communication brings convenience to people, it also poses new challenges to communication security work. There have been successive cases of illegal mobile phone use in specific ...

2025.10.28

Application of the Fixed IMSI Catcher System in Border Control

The security and stability of borders are related to a country's sovereignty and require high attention. Many countries have long borderlines, with diverse terrains such as mountains, rivers, swamps, and ice fields, as well as variable climates. Relying solely on military patrols consumes substantia...

2025.10.28

Application of the Fixed IMSI Catcher System in Transportation Hubs Such as Airports

Transportation hubs like airports, railway stations, and bus stations witness a large flow of people. Criminals often forge identities and alter appearances to move around. Moreover, in dense crowds, malicious incidents—if they occur—will cause adverse social impacts, requiring priority protection. ...

2025.09.12

Application of Fixed IMSI Catcher System in Key Areas Such as Oil and Gas Facilities

Oil fields, refineries, power stations and other similar locations are highly sensitive areas with extremely high security standards. Any information leakage could affect national security to a certain extent. To prevent sabotage by lawbreakers, these areas require prioritized protection. Traditiona...

2025.09.12

Application of Fixed IMSI Catcher System in Urban Security and Control

Currently, the Fixed IMSI Catcher system has been widely applied in the field of urban security and control. The device is fixedly installed at specific locations, capable of constructing an invisible signal coverage area. It can quickly capture mobile phone signals entering its monitoring range, ...

2025.06.11

Drone-Mounted Positioning System Achieves Breakthrough Application in Emergency Response and Law Enforcement Fields

Recently, an innovative drone-mounted positioning device has been deployed for practical use by multiple emergency management and law enforcement agencies. The system utilizes a drone platform equipped with specialized positioning equipment to rapidly search for and locate mobile phone signals of ...

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ABOUT COMPANY

WIN&SD Communication Technology Co., Ltd.

WIN&SD serves as a professional integrated service provider in the public security sector, dedicated to empowering the industry with advanced technological capabilities and delivering tailored services to customers through continuous technological innovation.

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Core Purpose

Our Advantage

Profound Expertise

Grasping multi-tier client needs, we've engaged in key security projects. Rich field experience lets us address challenges and deliver agile solutions

Pro R&D Capability

Decades in wireless communication: we have deep expertise, innovation, core techs. Our R&D enables precise solutions, reliable delivery.

Compr. Ecosystem

Custom solutions support our products: precise cross-sector demand meet, solving industry issues for all clients.

Reliable After-sales

We offer full project lifecycle support: dedicated deployment help + prompt post-delivery fixes, ensuring seamless, worry-free partnerships.

In August, the company’s Handheld Counter-UAS Detector was deployed in a professional security technology support project for a public safety organization in China. The system provided authorized personnel with a portable solution for detecting and identifying unauthorized drone activity, helping ...

2026-08-25

Drone-Mounted LTE/NR IMSI Detection and Positioning System Supports Public Safety Operations in Complex Environments

In August,the company’s Drone-Mounted IMSI Catcher Device for LTE/NR Signal Detection and IMSI Positioning was deployed in a professional public safety technology support project in China. The system provided authorized technical support to a local public safety organization, helping the organizatio...

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IMSI Catcher Device

Monitoring And Interception

Bulk SMS Sending Device

Mobile Communication Control

Anti Eavesdropping Device

Anti Tracking Device

Wireless Signal Detector

Counter UAS Products

Signal Jammer

Ad Hoc Network Device

Bird Repellent Device

Baseband Board

Power Amplifier

Communication Antenna

Industrial Indoor Positioning System

Productivity Products

DLP Solutions

Application of the Fixed IMSI Catcher System in Key Supervised Areas Such as Prisons

Application of the Fixed IMSI Catcher System in Border Control

Application of the Fixed IMSI Catcher System in Transportation Hubs Such as Airports

Application of Fixed IMSI Catcher System in Key Areas Such as Oil and Gas Facilities

Application of Fixed IMSI Catcher System in Urban Security and Control

Drone-Mounted Positioning System Achieves Breakthrough Application in Emergency Response and Law Enforcement Fields

WIN&SD Communication Technology Co., Ltd.