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Smart Locator Cards
Slim locator products designed for wallets, bags, luggage and other everyday essentials.
About SiNETAG
Built on electronics.
Focused on everyday finding.
SiNETAG develops smart locator products and embedded item-finding solutions, combining product engineering, low-power wireless technology and manufacturing experience.
Who We Are
From electronics engineering to connected products.
Our roots in electronics development go back to Shenzhen in 2002, followed by the establishment of SING SUN TECHNOLOGY (INTERNATIONAL) LIMITED in Hong Kong in 2007.
In 2024, we launched SiNETAG to focus our engineering experience on smart item-finding products and embedded solutions.
Today, we develop products for Apple Find My and Google’s Find Hub ecosystems, with platform support depending on the individual product or project.
Our Journey
Engineering experience, focused over time.
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2002
Electronics development begins
Singsun Electronic Tech Co., Ltd. begins operations in Shenzhen, building experience in electronics and embedded product development.
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2007
Hong Kong operations established
SING SUN TECHNOLOGY (INTERNATIONAL) LIMITED is established in Hong Kong to support international business and product development.
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2024
SiNETAG launches
SiNETAG is introduced as our smart locator brand, focused on item-finding products and related technologies.
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Today
Products and solutions
We develop SiNE CARD, SiNE CARD II, SiNE TAG and selected embedded item-finding solutions for consumer and business applications.
What We Build
Technology designed for things people carry every day.
Compact Locator Tags
Small-form-factor item finders designed for keys, bags and other personal belongings.
Embedded Solutions
PCBA and engineering options for businesses looking to integrate item-finding functionality into their own products.
Selected products also include features such as writable NFC, product verification and rechargeable power. Features and finding-network compatibility vary by model.
Explore SiNETAG Products
Engineering & Quality
Designed, tested and manufactured with real-world use in mind.
Our work covers product design, firmware, RF and antenna integration, component selection, testing and production support.
Product Engineering
Hardware, firmware and product integration developed around the requirements of each device.
Testing
RF, environmental and reliability testing are defined according to the product and intended application.
Manufacturing
Engineering and production teams work together to move products from design review through manufacturing.
Testing, certification and compliance requirements vary by product, target market and project scope.
Our Approach
Useful technology should fit naturally into everyday life.
We focus on products that are practical to carry, straightforward to use and easy to integrate into daily routines.
That means balancing size, power consumption, wireless performance, durability and industrial design rather than adding features simply for the sake of complexity.
- Practical
- Designed around real everyday use.
- Focused
- Features chosen for a clear purpose.
- Adaptable
- Products and solutions for different users, markets and projects.
For Businesses
Build with SiNETAG.
Beyond our standard products, we support selected OEM / ODM, product customization and embedded item-finding projects.
Tell us what you are building and our team can review the product, platform and customization requirements with you.