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Rewritable Touch Memory Cards iButton RW1990
US$0.15-0.30
100 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableFunction
Identification, Encrypt/Decrypt, InformationType
Memory CardMaterial
ABSRead-Write Method
Non-Contact TypeLabel Category
PassiveStructure
Read-Write CardApplication Field
Access ControlPower Supply Mode
Passive CardFrequency
MagneticData Transmission Mode
DataTransport Package
ExpressSpecification
59*19mmTrademark
noneOrigin
ChinaHS Code
8523521000Production Capacity
10000000 Per MonthKey features
Unique 64-bit Code: Each key has a unique identification code with approx. 4 billion combinations, ensuring 100% uniqueness.
High Durability: Manufactured on high-quality magnetic media with an average service life of 10 years.
Instant Reading: Instantly transmits the code to the reader upon touch, enabling fast access control.
Wide Compatibility: Compatible with any door phones and Dallas access systems for versatile application.
Cost Effective: Significantly reduces the cost of programming large numbers of keys for staff.
Compact Design: Devices are compact, lightweight, and can be used in any working position.
Secure Access: Code cannot be overwritten or magnetized, providing high security for access control.
OEM/ODM Support: OEM and ODM services are available for customized production needs.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-04-29 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.81h CertifiedTerms of Payment: T/T, PayPal, Western Union
AI-Powered supplier vetting
SummaryJingZhou SynTek Smart Technology Co., Ltd. is a China-based limited company and factory established in 2017, focused on RFID cards, tags, labels, blocking cards, key fobs, smart cards, and related products. The supplier reports 182 employees, five production lines, 11–20 quality-control staff, four years of R&D-engineer experience, and peak- and off-season lead times within 15 workdays. It offers custom functions, shapes, and materials, maintains its own mold production line, and states that it can develop readers and chips. Export activity began in 2019, with 71%–90% of sales reportedly from exports and Europe identified as a primary market. The evidence supports manufacturing, product development, customization, and international sales capabilities. However, no formal certification, detailed after-sales process, or independently verifiable customer references are provided. Financial information is not assessed.
Supplier typeThe supplier is identified as a factory/manufacturer in the manufacturing industry and operates as a limited company established in China. Its stated product scope centers on RFID cards, tags, labels, blocking cards, key fobs, and smart cards, indicating a specialized RFID-related manufacturing supplier.
After-Sales capabilityThe supplier states that it provides technical consulting, support, professional technician assistance, and customer service. These statements indicate an available support orientation, but no detailed after-sales workflow, warranty terms, response standards, or service performance evidence is provided.
R&D capabilitySynTek reports its own mold production line, capability to develop readers and chips, R&D and manufacturing of RFID products, and research into blocking key cases and phone cases beginning in 2017. The supplier is also associated with high-tech and technology-based enterprise classifications, supporting an innovation capability assessment.
Production capacityThe supplier reports five professional production lines, 11–20 quality-control staff, peak-season and off-season fulfillment within 15 workdays, and a monthly output of approximately 400,000 TM tags for the Russia market. It also describes manufacturing across multiple RFID and blocking-product categories, providing explicit evidence of production capacity and operational breadth.
Customization capabilityThe supplier explicitly offers customized tags and labels by function, shape, and material, and states that it can design products in different quantities and sizes. Its own mold production line further supports the stated ability to develop customized product forms.
Client casesThe supplier states that it has been a leading blocking-card supplier to the Europe market during the past three years and the biggest TM-tag supplier to the Russia market, with reported monthly output of approximately 400,000 pieces. These are supplier-reported market examples, but no named customers, contracts, or independently verifiable case studies are provided.
Product Q&A
Q:What is the unique code capacity of the iButton?
A:
Each TM1990A-F5 key is assigned a unique 64-bit identification code, offering approximately 4 billion combinations to ensure 100% uniqueness and prevent guessing.
Q:Can the iButton code be overwritten or copied?
A:
The unique family code recorded during production cannot be overwritten. However, for copying purposes, specific RW1990 copy iButtons are recommended.
Q:What is the expected service life of the device?
A:
The device features high-quality magnetic media and has an average service life of 10 years.
Q:Is the iButton compatible with all access systems?
A:
It works with any door phones and Dallas access systems, making it suitable for various security and access control applications.
Q:What are the main advantages of using this iButton?
A:
Key advantages include 100% uniqueness, instant reading, low cost, compact design, and the ability to significantly reduce programming costs for large staff numbers.
Send Inquiry
*To:
JingZhou SynTek Smart Technology Co., Ltd.
JingZhou SynTek Smart Technology Co., Ltd.*Content:
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