RFID Card with logo
RFID and QR Fabric Wristbands with Colour Print
NFC Key Fob
LF Key Fob
LF Key Fob
RFID Card with logo
RFID and QR Fabric Wristbands with Colour Print
NFC Key Fob
- Production Time from approval: 15-20 days
- Response time: within 2 business hours
- We will assist you with graphic design.
Product Overview
Product Overview
LF Key Fob – 125 kHz RFID with EM4200 or TK4100
Practical Low Frequency RFID key fobs for access control and locker systems.
The LF Key Fob combines durable ABS material with reliable 125 kHz RFID technology. Available with EM4200 or TK4100 chips, it provides a simple solution for contactless identification in compatible systems. The compact design and metal key ring make it easy to use in daily operations.
Features
- Chip: EM4200 or TK4100 – 125 kHz LF RFID
- Material: ABS
- Printing / marking: Full-color printing
- Mounting: Metal key ring – ready for key chain or lanyard
- Durability: Water-resistant and suitable for both indoor and outdoor use
- Setup: Chip and system compatibility are checked before production
- Minimum order: 100 pcs.
Application
Suitable for swimming pools, fitness centers, schools, membership clubs, businesses and facilities with compatible 125 kHz RFID access and locker systems.
Why JM Band®
JM Band® has extensive experience with RFID solutions for access control and locker systems, helping customers choose the right chip for reliable everyday use.
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Produktet(erne) blev tilføjet til kurven
| Production Time | 15-20 days |
|---|---|
| Material | ABS |
| RFID | EM4200 — TK4100 |
| Customisation | |
| Certificates |
|
| Material Type | ABS |
|---|---|
| Sustainable Elements | |
| Water Resistance | Water-resistant |
| Color Fastness | 6/8 |
| Comfort | |
| Fire Retardant | Not Fire Retardant |
| Temperature Tolerance | −20 to +80 °C |
| CO2 Footprint | 0.018 kg CO2e |
| Print Method | Full colour |
|---|---|
| Amount of Colours | Unlimited |
| Surface | Matte |
| Colour Palette | CMYK |
| Scratch Resistance | Medium |
| Print Durability | 3 days |
| Print Quality | Photo |
| Serialization Available |
| Specification | EM4200 | TK4100 |
|---|---|---|
| Manufacturer | EM Microelectronic | Fudan |
| Frequency | 125 kHz | 125 kHz |
| ISO/IEC Standard | ISO 11784/85 | ISO 11784/85, ISO/IEC 10536 |
| Max Range | 60.0 mm | 50.0 mm |
| Memory Capacity | 16 bytes | 8 bytes |
| UID Length | 5 bytes | 5 bytes |
| Data Protection | None | None |
| Read/Write Cycles | 0 | 0 |
| Certificate 1 | |
|---|---|
| Name |
CE
|
| Description | CE marking is a declaration by the manufacturer that a product meets the health, safety, and environmental standards of the European Economic Area (EEA) and can be sold freely within it. |
| Certificate 2 | |
| Name |
EN ISO 7816-8:2021
|
| Issued By | Integra96 Int. |
| Certificate Number | TTC-22-2911/14/02 |
| Valid Until | 29. Nov 2027 |
| Description | This standard specifies the technical commands used for security operations within smart cards (integrated circuit cards). It defines the protocols for cryptographic computations, digital signatures, and user verification (authentication). Ideally used to ensure secure data exchange between the chip (e.g., in a wristband) and the reading device. |
| Certificate 3 | |
| Name |
IEC 62321 Series (RoHS 2011/65/EU)
|
| Issued By | HTT TECHNOLOGY CO. |
| Certificate Number | HTT191213126R |
| Description | RoHS Certificate of Conformity verifies that the RFID wristbands (including Silicone, ABS, and PVC models) comply with the RoHS Directive 2011/65/EU and (EU) 2015/863. Tested according to IEC 62321 series standards to ensure restricted substances (like Lead, Mercury, Cadmium) are within legal limits. |
| Certificate 4 | |
| Name |
AAA Credit Rating System
|
| Issued By | dun & bradstreet |
| Certificate Number | JM Band 2025 |
| Valid Until | 30. Sep 2025 |
| Description | AAA Highest Credit Worthiness Rating (2025). Issued by Dun & Bradstreet, indicating the company has an extremely strong financial position and superior ability to meet current payment obligations. This is the highest level in the credit rating scale. |
FAQ
An LF RFID key fob is a contactless identification tag operating at 125 kHz. It is commonly used for access control, locker systems and membership identification.
Both EM4200 and TK4100 are passive 125 kHz RFID chips with fixed identification numbers. They offer similar functionality, but compatibility depends on your RFID reader and system.
Choose EM4200 or TK4100 based on your existing RFID system. If you are unsure which chip is compatible, JM Band® can help you select the correct option.
No, both EM4200 and TK4100 are read-only chips with factory-programmed identification numbers that cannot be changed.
Yes, the LF Key Fob can be customized with full-color printing, making it suitable for branded access and membership solutions.
The key fob is made from durable, water-resistant ABS plastic and is suitable for everyday use in environments such as swimming pools and fitness centers.
No, both EM4200 and TK4100 are passive RFID chips that receive power from a compatible RFID reader.
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