TK4100 Keyfob

Basic Product Details

• Model: TK4100 Key Fob
• Built-in Chip: TK4100 (read-only type, fully compatible with EM4100 standard)
• Housing Material: ABS plastic
• Frequency: 125kHz low frequency
• Typical Read Range: 3-10cm (depending on reader power)
• Operating Temperature: -10°C to +50°C
• Water Resistance: Fully sealed for regular daily use

Design and Portability
Comes with a metal key ring for easy attachment to keys or bags. The shell is tough, with a smooth surface that resists scratches and fading. Available in several colors, such as blue, red, black, yellow, and more. Chip coil is tightly sealed for shock resistance and impact protection.

Key Benefits
The chip has a pre-programmed unique 64-bit ID (read-only, cannot be rewritten) for stable and quick response. ABS construction provides corrosion resistance and handles temperature extremes, making it suitable for both indoor and outdoor settings. Small size and light weight make it convenient for everyday carry. Supports laser engraving or inkjet printing for serial numbers.

Customization Choices

• Shell color can be adjusted on request.
• Silk-screen printing available for logos or designs.
• Laser engraving service for UID codes or numbering.
• Dust-proof, water-resistant, and reliable shock protection built in.

Common Uses
Widely applied in access control systems, time attendance tracking, parking lot management, campus all-in-one cards, hotel key systems, public transport cards, membership programs, and entertainment venue identification – all standard low-frequency RFID areas.

Quality Checks
Pre-production samples always provided for approval before full runs.
Every batch undergoes complete final testing, covering read range, water resistance, and durability.

Supplier Information
Factory based in Hunan Province, China, operating in RFID production since 2006. Staff size around 101-200 people. Main sales markets: Eastern Europe 35.00%, domestic China 20.00%, Western Europe 15.00%, North America 10.00%, South America 10.00%, and Oceania 10.00%.

Reasons to Buy Here

• Full range of production equipment plus experienced R&D staff.
• Lower costs thanks to local labor rates in Hunan and government backing.
• In-house mold making shop for quick custom shapes.
• Knowledgeable sales team with strong customer support.

TK4100 key fob uses a straightforward read-only chip that's dependable, with tough ABS housing that's water-resistant and drop-proof – easy to carry and quick to respond for all kinds of low-frequency applications.

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