13.56MHz RFID Smart Card Reader Writer Module – RS232/TTL Interface
Product Overview
The DO RFID Reader 13.56MHz smart card reader module is a compact, industrial-grade RFID read/write solution designed for system integrators, access control manufacturers, OEM equipment builders, and project deployment teams who require reliable card identification and data exchange at 13.56MHz frequency. This module supports ISO/IEC 14443 Type A compliant cards including MF S50, S70, Ultralight, and F08, making it suitable for a wide range of commercial and industrial applications such as access control terminals, attendance machines, self-service kiosks, vending machines, and embedded identification systems.
Available with RS232 or TTL communication interface, this module operates over a broad power supply range of 3.3V to 5.5V, providing flexibility for integration into existing system architectures without requiring additional voltage regulation. Whether you are a distributor sourcing bulk quantities for large-scale deployments or an OEM developer needing a stable, long-term supply of read/write modules, this product offers the consistency and compatibility required for commercial project success.
Key Features
- 13.56MHz operating frequency – Compliant with ISO/IEC 14443 Type A protocol for global interoperability
- Dual interface options – RS232 and TTL available to match existing communication infrastructure
- Wide power supply support – Operates from 3.3V to 5.5V DC, reducing the need for additional power conversion components
- Multi-card compatibility – Supports MF S50, S70, Ultralight, F08, and compatible 13.56MHz tags
- Adjustable baud rate – Configurable from 9600 to 115200 Kbit/s (default 9600) for flexible data communication
- Compact form factor – Module size 39mm × 19mm × 0.8mm with external antenna board 75mm × 55mm × 1mm, suitable for space-constrained enclosures
- Operating system support – Compatible with Windows and Android platforms for versatile integration
- Reliable read range – 0mm to 100mm depending on card type and environmental conditions
- Low power consumption – Typical operating current of 100mA, ideal for embedded and battery-powered systems
Technical Specifications
| Frequency | 13.56MHz |
| Protocol | ISO/IEC 14443 Type A |
| Supported Cards | MF S50, S70, Ultralight, F08 and compatible |
| Working Voltage | DC 3.3V – 5.5V |
| Working Current | 100mA |
| Interface | TTL (RS232 optional) |
| Baud Rate | 9600 – 115200 Kbit/s (default 9600) |
| Communication Speed | 106 Kbit/s |
| Read Range | 0mm – 100mm (dependent on card and environment) |
| Module Dimensions | 39mm × 19mm × 0.8mm |
| Antenna Dimensions | 75mm × 55mm × 1mm |
| Weight | 10g |
| Storage Temperature | -20°C to +80°C |
| Working Temperature | 0°C to +95°C |
| Operating System Support | Windows, Android |
Product Advantages for B2B Buyers
System integrators and project contractors choose this module because of its stable read performance, flexible interface options, and broad power supply tolerance. When deploying access control or attendance systems across multiple sites, batch consistency and compatibility with existing infrastructure are critical. This module delivers reliable UID read and data write operations across a wide temperature range, reducing field failures and service calls.
OEM and ODM customers benefit from the compact PCB design that allows direct integration into custom enclosures for terminals, kiosks, vending machines, and industrial control panels. The availability of both TTL and RS232 interfaces means the module can be matched to the host controller’s native communication protocol without additional level shifting or interface conversion components, lowering BOM cost and design complexity.
Wholesale buyers and distributors require consistent product quality and stable production capacity. As an RFID reader manufacturer with established production processes, we support bulk orders with short lead times, ensuring that large-scale deployments and ongoing replenishment schedules are met without supply chain disruption. Each module undergoes functional testing before shipment to guarantee read/write performance and communication integrity.
Industrial Applications
- Access control terminals – Door controllers, turnstile readers, and lobby kiosks requiring 13.56MHz card identification
- Attendance and time tracking systems – Employee badge readers for office, factory, and warehouse environments
- Self-service kiosks – Ticketing machines, library check-in/check-out stations, and information terminals
- Vending machines – Contactless payment and card-based product dispensing systems
- Embedded identification modules – Integration into medical devices, laboratory equipment, and industrial automation systems
- Asset management stations – Tool tracking, IT asset registration, and inventory checkpoints
OEM / ODM Manufacturing Support
As a professional RFID reader manufacturer, we offer comprehensive customization services for OEM and ODM partners. This includes firmware parameter adjustment, communication protocol adaptation, antenna tuning for specific read range requirements, and mechanical design modifications to suit unique enclosure dimensions. Whether you need custom baud rate settings, modified card compatibility lists, or interface pin redefinition, our engineering team works closely with your development staff to deliver a module that meets your exact project specifications.
Batch consistency is a priority for long-term supply agreements. Each production lot is manufactured using the same component sourcing and assembly procedures, ensuring that modules delivered months apart perform identically in the field. This reliability is essential for customers deploying systems across multiple sites or geographies where hardware uniformity affects maintenance and end-user experience.
Factory Production Advantages
With over 20 years of experience in RFID product manufacturing, our factory maintains stable production capacity for both standard and custom module orders. We understand the procurement needs of industrial buyers: predictable lead times, consistent product quality, and responsive technical support. Our production process includes incoming component inspection, SMT assembly, functional testing, and final packing inspection before shipment.
For bulk orders and project deployments, we offer flexible shipping arrangements via express (DHL, FedEx, UPS, TNT), air freight, or sea freight, depending on volume and urgency. Export documentation such as Certificate of Origin, FTA, Form F, and Form E can be provided to assist with customs clearance in your destination country. Trade terms including EXW, FOB, CIF, and CFR are available to match your procurement preferences.
We are capable of supporting long-term distributor cooperation and project-based supply agreements. If your business requires a reliable source of RFID reader modules for ongoing system integration or OEM production, contact us to discuss volume pricing, delivery scheduling, and technical collaboration.
Bulk Supply & Project Deployment Support
For wholesalers and system integrators planning large-scale rollouts, we provide bulk packaging options with consistent product marking and traceable batch numbers. Sample orders are typically shipped within 3–7 days, while bulk production orders can be completed within 7–30 days depending on quantity and customization requirements. Payment terms include T/T, PayPal, and Western Union for convenience.
If you are evaluating this module for a new project, we recommend starting with a sample order to verify compatibility with your host system and target card types. Once validated, transitioning to volume production is seamless, as the production modules are identical in performance and build quality to the samples provided.
Frequently Asked Questions
Q: What communication interfaces are available on this module?
A: The module supports TTL interface as standard. RS232 interface is also available as an option. Please specify your required interface when ordering.
Q: Which cards and tags are compatible with this reader module?
A: This module supports ISO/IEC 14443 Type A compliant cards including MF S50, S70, Ultralight, F08, and compatible 13.56MHz tags.
Q: Can the baud rate be customized for my application?
A: Yes, the baud rate is configurable from 9600 to 115200 Kbit/s. The default setting is 9600. Custom baud rate configuration can be arranged for OEM orders.
Q: What is the typical read range of this module?
A: The read range is 0mm to 100mm, depending on the card type, antenna design, and environmental conditions. For maximum read range, ensure the antenna is properly tuned and free from nearby metal interference.
Q: Do you support OEM/ODM customization for this module?
A: Yes, we offer OEM and ODM services including firmware modification, interface adjustment, antenna customization, and mechanical design changes. Contact us with your specific requirements.
Q: What is the minimum order quantity for bulk purchases?
A: Sample orders can be as low as 1 piece. For bulk orders, MOQ depends on the specific configuration. We welcome wholesale and distributor inquiries for volume pricing.
Q: How is the module packaged for shipment?
A: Each module is individually packed in a box. For bulk orders, 100 pieces are packed in one carton. Custom packaging and labeling are available for OEM orders.
Q: What warranty do you offer on this product?
A: We provide a 2-year warranty against manufacturing defects, provided the damage is not caused by improper use or physical abuse. Warranty service includes repair or replacement at our discretion.
Contact for Specifications and Pricing
For detailed technical documentation, pricing for bulk orders, OEM customization inquiries, or project cooperation discussions, please contact our sales team at info@dorfidreader.com. We respond to all inquiries within 24 hours and can provide samples for evaluation before commitment to volume production.