UHF RFID Integrated Reader 4Port USB Card RFID China Factory

UHF RFID Integrated Reader 4Port USB Card RFID China Factory

The Small Size Mini USB RFID Reader from DO RFID Reader is a high-performance 125 kHz USB RFID smart card reader designed for access control, parking management, and personal identification systems. It features:

  • Extended Read Range: Delivers a reliable read distance of 5–10 cm (up to 10 cm), enabling efficient non-contact identification in entry and attendance applications.
  • Plug-and-Play USB Interface: Operates on standard DC 5V via USB, eliminating the need for external power adapters and simplifying integration into existing workstations or access panels.
  • Compact Form Factor: Measures only 75 mm × 21 mm × 7 mm, allowing flexible installation in space-constrained environments such as door frames, kiosks, or desktops.

Product Overview

The DO-09N-EM and DO-09N-MF represent a compact, cost-effective solution for 125kHz RFID reading requirements. Designed as a mini USB form factor reader, this device is built for system integrators, access control contractors, and industrial project teams who need a reliable low-frequency reader for identification, tracking, and automation workflows. It is particularly suited for automated parking management, personnel identification, access controller integration, and production access control systems. The reader operates at a read speed of 0.2 seconds per card and provides a read range of up to 10 cm, making it a practical choice for close-proximity identification scenarios where speed and consistency matter.

Procurement teams and project managers choose this model because it delivers stable read performance without requiring complex power or network infrastructure. The USB interface simplifies deployment across existing computer-based systems, reducing integration time and hardware overhead. For distributors and wholesalers sourcing RFID readers for commercial deployments, the DO-09N series offers batch consistency and dependable supply continuity from a manufacturer with over two decades of production experience in the RFID industry.

Product Advantages

  • Compact mechanical footprint — With dimensions of 75 mm × 21 mm × 7 mm, this reader fits into tight enclosure spaces, kiosk interiors, and portable identification stations where larger readers cannot be accommodated.
  • Low power consumption — Operating at DC 5V with a working current of 70 mA, the device is suitable for always-on deployment in access terminals and desktop card readers without significant energy overhead.
  • Wide environmental tolerance — Working temperature ranges from −35 °C to +60 °C and storage ranges from −50 °C to +80 °C, ensuring reliable operation across varied indoor and semi-outdoor environments.
  • Fast read cycle — Card read speed of 0.2 seconds supports high-throughput identification in entry lanes, turnstiles, and time-attendance checkpoints.
  • Two model variants — The DO-09N-EM supports 125 kHz EM protocol tags, while the DO-09N-MF supports 13.56 MHz MIFARE protocol cards, giving system integrators flexibility to match existing tag infrastructure without changing hardware platform.

Key Features

  • Frequency: 125 kHz (DO-09N-EM) / 13.56 MHz (DO-09N-MF)
  • Interface: USB (plug-and-play, no external power adapter required)
  • Read range: 5–10 cm (stable read distance for standard ID cards and keyfobs)
  • Working current: 70 mA
  • Supply voltage: DC 5 V
  • Dimensions: 75 mm × 21 mm × 7 mm
  • Color: White
  • Operating temperature: −35 °C to +60 °C
  • Storage temperature: −50 °C to +80 °C
  • Operating humidity: 10–90 % non-condensing
  • Card read speed: 0.2 seconds
  • Compatible with standard 125 kHz EM ID cards and 13.56 MHz MIFARE cards depending on variant

Technical Specifications

Model NumberDO-09N-EM / DO-09N-MF
Frequency125 kHz (DO-09N-EM) / 13.56 MHz (DO-09N-MF)
InterfaceUSB
Read Range5–10 cm
Dimensions75 mm × 21 mm × 7 mm
ColorWhite
Working Current70 mA
Power SupplyDC 5 V
Operating Temperature−35 °C to +60 °C
Storage Temperature−50 °C to +80 °C
Operating Humidity10–90 %
Card Read Speed0.2 seconds

Industrial Applications

  • Automated parking management systems — Used for driver identification and access verification at entry and exit lanes where close-proximity card reading is required.
  • Personnel identification and time attendance — Integrated with desktop or wall-mounted terminals for employee check-in using 125 kHz or 13.56 MHz ID cards.
  • Access controller integration — Connected via USB to access control panels or PC-based security systems for door release and credential verification.
  • Production access control — Deployed at factory floor entry points to restrict or log personnel movement in manufacturing environments.
  • RFID radio frequency identification system projects — Used as a reader component in larger RFID deployments requiring a compact, USB-hosted reader module.
  • Kiosk and self-service terminals — Embedded inside check-in kiosks, library stations, or visitor management systems where small reader size is critical.

OEM / ODM Manufacturing Support

do rfid reader manufacturer provides full OEM and ODM customization for the DO-09N series. Procurement teams and project integrators can request modifications to enclosure color, cable length, label branding, packaging format, and firmware behavior to match specific application requirements. OEM customization allows distributors to market the reader under their own brand while maintaining the same proven internal hardware and read performance. The factory supports custom logo printing, private-label packaging, and tailored technical documentation for large-scale deployment projects.

For system integrators who need to embed the reader into existing access control hardware or kiosk equipment, the factory offers interface-level customization and mechanical adaptation support. All OEM orders go through a structured review process to ensure compatibility with the target system environment and end-user workflow.

Factory Production Advantages

The manufacturing facility behind the DO-09N series has specialized in RFID reader production for over 20 years, which translates into stable process control, repeatable assembly quality, and consistent electrical performance across production batches. This long production history means that wholesale buyers and project contractors can rely on uniform reading performance regardless of batch size or order frequency.

Every unit undergoes internal quality checking before packaging, covering read distance verification, power consumption measurement, communication interface testing, and visual inspection. The factory maintains strong cooperation with express and freight carriers including DHL, FEDEX, TNT, UPS, and sea/air forwarders, enabling flexible shipping options for both sample orders and bulk container shipments. Sample orders typically ship within 1–5 days, while bulk production orders are completed within 7–30 days depending on quantity and customization complexity.

For distributors managing long-term supply contracts, the factory offers stable production scheduling, component sourcing continuity, and transparent lead time communication to avoid project delays. This production reliability is especially important for industrial applications where reader downtime or replacement delays directly affect operational throughput.

Bulk Supply and Project Deployment Support

Wholesale buyers and project contractors benefit from tiered pricing structures that scale with order volume. The factory supports bulk orders ranging from thousands to hundreds of thousands of units, with consistent batch-to-batch performance that eliminates the need for re-qualification during large deployments. For system integrators managing multi-site rollouts, the factory can stage production and shipping schedules to align with installation timelines, reducing warehousing pressure and capital commitment.

Technical documentation, including interface specifications and mechanical drawings, is available to support integration planning. The factory also provides after-sales support for troubleshooting and compatibility verification during project deployment. For distributors entering new regional markets, sample units can be made available for evaluation and certification purposes before bulk commitment.

Payment terms include T/T, PayPal, and Western Union, with Trade Assurance support available for qualifying orders. Shipping methods can be selected based on urgency and budget, from express courier for small batches to sea freight for full container loads.

FAQ

Q: What is the difference between the DO-09N-EM and DO-09N-MF models?
A: The DO-09N-EM reads 125 kHz EM protocol cards, while the DO-09N-MF reads 13.56 MHz MIFARE protocol cards. Choose based on the tag type used in your existing system.

Q: What is the read distance in real-world conditions?
A: The typical read range is 5–10 cm for standard ID cards and keyfobs, depending on tag quality and ambient environment.

Q: Can this reader be used with a standard computer USB port?
A: Yes. The reader draws 70 mA at 5 V DC and is powered directly through the USB port. No external power adapter is needed.

Q: Do you support OEM branding and custom packaging?
A: Yes. do rfid reader manufacturer supports OEM/ODM customization including logo printing, private-label packaging, and firmware adjustments. Contact us with your requirements.

Q: What are the lead times for bulk orders?
A: Sample orders ship within 1–5 days. Bulk orders typically ship within 7–30 days depending on quantity and customization level.

Q: What payment methods do you accept?
A: We accept T/T bank transfer, PayPal, and Western Union. Trade Assurance is available for qualifying orders.

Q: How do I request a sample for evaluation?
A: Sample units can be provided for quality evaluation. The freight cost is covered by the requesting party. Contact our sales team to arrange shipment.

Q: Is technical support available during project integration?
A: Yes. The factory provides technical documentation and support for system integrators and project teams deploying the DO-09N series.