Powered by Made-in-China.com
Waterproof Durable RFID 125kHz Tk4100 Keyfobs
US$0.08
100-999 Pieces
US$0.06
1,000-9,999 Pieces
US$0.055
10,000+ Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableFunction
Identification, Payment, Encrypt/Decrypt, InformationType
Smart CardModel NO.
keytagMaterial
PVC, Leather, Silicone,ABSRead-Write Method
Both Contact and Non-ContactLabel Category
PassiveStructure
Read-Write CardApplication Field
Access Control SystemPower Supply Mode
Passive CardFrequency
Low FrequencyData Transmission Mode
ParallelColor
Blue, Red, Yellow, Brown, CustomizedQr Code
AvailableCraft
Laser, Silk Prinitng, UV Printing, etcWaterproof
YesTransport Package
100PCS/Bag, 2500PCS/CTNSpecification
10*10*2Trademark
OEMOrigin
ChinaHS Code
8523521000Production Capacity
3000000 Per MonthKey features
Multi-Chip Compatibility: Supports LF (TK4100/EM4200), HF (NFC/F08), and UHF chips for versatile applications.
Durable Material Options: Available in ABS, PVC, Silicone, Epoxy, and PU Leather for different durability needs.
Customizable Appearance: Colors include Blue, Red, Yellow, Brown, and more; supports logo imprinting and laser engraving.
High Read/Write Endurance: Designed for over 100,000 read/write cycles ensuring long-term reliability.
Wide Application Scope: Ideal for access control, attendance, payment, logistics, and membership systems.
Fast Production Lead Time: Standard lead time is 7-9 working days, with peak/off-season times within 15 days.
Complete OEM/ODM Service: Factory owns full production line from chip-bonding to final assembly for quality control.
Multiple Data Encoding Options: Supports UID coding, serial numbers, QR codes, and custom data recording.
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: ≤4.38h 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 your typical lead time for RFID products?
A:
Our standard lead time for RFID products is approximately 7-9 working days after confirming the order details. However, this can vary based on the specific product and customization requirements.
Q:What is your policy on after-sales service and support?
A:
We offer comprehensive after-sales support, including product troubleshooting, replacement of defective items, and technical assistance. Our support team is available to assist you within 24 hours of your request.
Q:What kind of customization options do you offer for RFID products?
A:
We offer a wide range of customization options, including logo imprinting, unique chip programming, and design modifications to suit your specific branding and functionality needs.
Q:Can you tell me about the strength and capabilities of your factory?
A:
Our factory is equipped with state-of-the-art machinery and employs a team of skilled professionals. We have a strong production capacity and adhere to strict quality control measures to ensure product excellence.
Q:How do you ensure the quality of your RFID products?
A:
We implement rigorous quality control processes, including testing at various stages of production, to ensure that all our RFID products meet international standards and customer specifications.
Send Inquiry
*To:
JingZhou SynTek Smart Technology Co., Ltd.
JingZhou SynTek Smart Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Access Control RFID Keyfobs Tk4100 Waterproof RFID Tag 125kHz Proximity Card Keyfobs
US$0.07-0.15
500 Pieces(MOQ)
Durable RFID Key Fob with Waterproof Features for Access Control
US$0.45-0.60
1,000 Pieces(MOQ)
Proximity Apartment Attendance Management Tk4100 Key Fob RFID Key Keychain ABS Waterproof 125kHz ID Keyfob
US$0.22-0.30
500 piece/pieces(MOQ)
125kHz Lf Tk4100 Waterproof RFID Keyfob Tag T5557 Rfidepoxy Keyfob
US$0.22-0.30
500 piece/pieces(MOQ)
IC Epoxy Keyfob 13.56MHz Waterproof RFID NFC Epoxy Keyfob
US$0.19-0.59
1 Piece(MOQ)
High End Waterproof Durable Reusable ABS NFC Keychain RFID Keyfob with Metal Ring
US$0.22-0.30
500 piece/pieces(MOQ)
125kHz Read Only Chip Tk4100 RFID ABS Key Fob for Access Control
US$0.10-0.20
500 Pieces(MOQ)
IP64 Waterproof ABS 125kHz Proximity Card RFID Key Fob
US$0.52
500 Pieces(MOQ)
Waterproof RFID Key Fob for Secure Entrance Guard Applications
US$0.45-0.60
1,000 Pieces(MOQ)
Tk4100 125kHz T5577 4305 RFID Tag #3 Rewritable Keyfob with Keychain
US$0.10-0.20
500 Pieces(MOQ)
Mini Label RFID Key Fob, 125kHz for Secure Entrance Access
US$0.45-0.60
1,000 Pieces(MOQ)
Waterproof ABS Low Cost 125kHz RFID Key Fob
US$0.10-0.20
500 Pieces(MOQ)
RFID Manufacturer 125kHz Keyfob Access Control Key Chain ABS Tk4100 Key Fobs for Gym
US$0.10-0.25
500 Pieces(MOQ)
T5577 Epoxy Keyfob 125kHz Disc Epoxy RFID Tag Keyfob for Access Control
US$0.19-0.59
1 Piece(MOQ)
RFID Tag 125kHz Proximity Card Keyfobs ABS Key Tags Em ID Tk4100 Chip Keychain Smart Keyfob
US$0.22-0.30
500 piece/pieces(MOQ)
125kHz Customized NFC Access Control ABS RFID Keyfob Tk4100 Keyfob
US$0.10-0.15
100 Pieces(MOQ)
New Arrival Waterproof 125kHz ABS RFID Keyfob Keychain Tk4100 Card Mixed Color
US$0.27-0.28
1 Piece(MOQ)
Waterproof Mini RFID Key Fob for Entrance Guard Access Control
US$0.45-0.60
1,000 Pieces(MOQ)
Durable Waterproof ABS RFID Keyfob for Student Campus Access Control
US$0.10-0.80
500 Pieces(MOQ)



















