Smart Card Encoding Solution - DZT257-H Encoder
Category: Control - Timekeeping, Smart Access Control, Smart System, Smart Home, Hotel Lock
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Product Introduction DZT257-H Encoder is a contactless smart card encoder, operating based on the international standard ISO/IEC 14443 A , providing stable, high-speed, and easy-to-use card reading/writing capabilities. The product connects via a USB interface, requiring no external power, making it convenient for dep…
Description
Product Introduction
DZT257-H Encoder is a contactless smart card encoder, operating based on the international standard ISO/IEC 14443 A, providing stable, high-speed, and easy-to-use card reading/writing capabilities. The product connects via a USB interface, requiring no external power, making it convenient for deployment in hotel management systems, access control, time attendance, guard tour, and many other RFID applications.
With its compatibility with various card types, the DZT257-H simplifies the card issuance and management process for users. This device is a powerful support when integrated with ZKBio CVSecurity and ZKBio HLMS software – comprehensive management solutions for the hotel industry and smart buildings.

Outstanding Advantages
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Convenient USB connection: No adapter needed, easy plug-and-play.
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Stable performance: Fast card reading, minimizing errors during encoding.
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Diverse RFID card compatibility: Supports S50, S70, DESfire, NTAG213, NTAG216, Ultralight, FM1204, FM1208.
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Flexible applications: Hotels, access control, time attendance, security, guard tour.
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Compact design: Easy to place on a desk or deploy in large management systems.
DZT257-H Encoder Technical Specifications
| Parameter | Details |
|---|---|
| Model | DZT257-H Encoder |
| Dimensions (LWD) | 107 × 107 × 23 mm (cable length: 1,500 mm) |
| International Standard | ISO / IEC 14443 A |
| Supported Card Types (read-only) | S50 / S70 / DESfire / NTAG213 / NTAG216 / Ultralight / FM1204 / FM1208 |
| Supported Card Types (read & write) | S50 / S70 / DESfire / NTAG213 / NTAG216 / Ultralight / FM1204 / FM1208 |
| Reading Distance | 0 – 3 cm (depending on environment & card type) |
| Operating Frequency | 13.56 MHz |
| Power Supply | USB (plug & play) |
Practical Applications
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Hotels & resorts: Encoding room cards, enhancing safety and professionalism in management.
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Access control systems: Used for offices, buildings, industrial zones.
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Timekeeping & Patrol: Record data quickly and accurately.
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Data Security: Ensures international standards, safe for RFID systems.
Buy genuine DZT257-H Encoder at VietPOS
VietPOS is proud to be the official distributor of DZT257-H Encoder along with many access control devices, smart locks, and modern hotel management solutions. With over 15 years of experience and a nationwide distribution system, we are committed to providing quality products, competitive prices, and professional after-sales service.
📞 Contact VietPOS – Hotline: 0905 295 337 now for detailed consultation and the best quote!