Product Overview
The DO RFID Reader 125kHz desktop USB RFID reader is a compact, cost-effective identification solution designed for access control enrollment, personnel identification, and data capture tasks in commercial and industrial environments. This plug-and-play reader connects directly to a PC via USB, enabling fast and accurate reading of 125kHz EM-compatible RFID cards and keyfobs without manual data entry. It is an ideal choice for system integrators, security contractors, and facility managers who need a reliable desktop reader for card issuance, attendance recording, and identity verification workflows.
Product Description
This desktop proximity reader operates at 125kHz frequency and supports TK4100 compatible ID cards. It transmits card data to a host application through a standard USB interface, eliminating the need for manual card number input during enrollment or check-in processes. The reader is suitable for access control system front-end deployment, time and attendance stations, visitor management kiosks, and membership identification points. An optional 13.56MHz MF1 configuration is available for projects requiring Mifare Classic compatibility. The device is supplied without branding as standard; OEM logo printing on the enclosure surface is supported based on volume order requirements.
Key Features
- 125kHz operating frequency for EM ID card and keyfob reading
- USB interface for direct PC connection and plug-and-play operation
- Read range of 5–10 cm (desktop use) and up to 50–100 cm under specific conditions
- Fast card reading speed of 0.2 seconds per read
- Optional 13.56MHz MF1 module for dual-frequency project needs
- Compact desktop form factor: 140 × 100 × 30 mm
- DC 12V working voltage with 70mA operating current
- Wide operating temperature range: –25°C to +75°C
- Operating humidity range: 10% to 90%
- Lightweight design at 135 g for desk or counter placement
- OEM logo customization available for volume procurement
Technical Specifications
| Model Number | DO-RFID-125K-USB |
| Frequency | 125 kHz |
| Interface | USB |
| Read Range (desktop) | 5–10 cm |
| Read Range (extended) | 50–100 cm |
| Card Reading Speed | 0.2 s per read |
| Operating Voltage | DC 12V |
| Operating Current | 70 mA |
| Operating Temperature | –25°C to +75°C |
| Operating Humidity | 10%–90% |
| Dimensions | 140 × 100 × 30 mm |
| Weight | 135 g |
| Color | Black |
| Optional Module | 13.56 MHz MF1 (Mifare Classic) |
Industrial Applications
DO RFID Reader desktop readers are deployed across multiple sectors where reliable proximity identification is required:
- Access control enrollment desks – Issue new RFID cards and program credentials into access control databases without manual typing.
- Time and attendance systems – Capture employee ID card data at check-in terminals with consistent read accuracy.
- Visitor management stations – Register temporary badges and link visitor identities to entry logs.
- Membership and loyalty programs – Encode and verify member cards at club or retail counters.
- Asset tracking workstations – Log RFID-tagged equipment into inventory management systems.
- School and campus ID systems – Issue student and staff identification cards for library, cafeteria, and building access.
System integrators choose this reader for its stable read performance, simple USB connectivity, and compatibility with existing 125kHz infrastructure. The optional 13.56MHz module allows project teams to unify legacy EM card deployments with newer Mifare-based systems within a single reader hardware platform.
Why System Integrators and Distributors Choose This Reader
For B2B buyers evaluating desktop RFID readers for large-scale deployment, the core value lies in predictable read behavior, simple integration overhead, and consistent supply availability. This reader uses a standard USB HID interface, which means no driver installation is required on most operating systems, reducing deployment friction across hundreds of workstations. The 125kHz frequency ensures compatibility with the vast installed base of EM4100 and TK4100 cards and keyfobs already in use at commercial facilities.
Wholesale buyers and project contractors benefit from batch consistency across production runs. When deploying across multiple sites or phases, identical read characteristics and enclosure dimensions eliminate the need to requalify hardware per location. The robust operating temperature range of –25°C to +75°C supports deployment in unconditioned environments such as warehouse entrances, factory floor kiosks, and outdoor guard stations.
OEM / ODM Manufacturing Support
DO RFID Reader provides OEM and ODM services for organizations that require customized branding, packaging, or firmware adjustments. Supported customization options include:
- Logo printing or laser engraving on the reader enclosure
- Custom packaging with buyer-specific labeling and documentation
- Adjustable read range parameters for application-specific requirements
- Integration of 13.56MHz module as a factory-installed option
- Custom cable length or connector type for specialized installation
OEM partners can rely on stable production runs with consistent quality output. Minimum order quantities for custom branding start at 500 units, with full production lead times of 7–30 days depending on volume and specification complexity.
Factory Production Advantages
As an RFID reader manufacturer with over 20 years of production experience, DO RFID Reader operates a dedicated manufacturing facility focused on identification hardware. Production capabilities include:
- Stable supply chain – Long-term sourcing relationships for ICs, PCBs, enclosures, and cable assemblies ensure uninterrupted manufacturing.
- In-house quality inspection – Each unit is tested for read range, communication stability, and power consumption before packaging.
- Batch consistency – All units within a production lot are calibrated to the same read sensitivity and output format.
- Export logistics – Established cooperation with DHL, FedEx, TNT, UPS, and sea/air freight forwarders enables reliable international delivery.
- Volume production capacity – Factory output supports orders ranging from sample quantities to bulk shipments of 100,000+ units per month.
This production infrastructure is built to support long-term wholesale cooperation, distributor partnerships, and multi-phase project deployments where hardware availability and delivery predictability are critical.
Bulk Supply and Project Deployment Support
Large-scale projects demand consistent product availability and responsive logistics. DO RFID Reader supports bulk procurement through the following framework:
- Sample orders shipped within 1–5 days for technical evaluation and qualification
- Bulk production lead times of 7–30 days depending on order quantity and customization level
- T/T, PayPal, and Western Union payment options for international buyers
- Trade Assurance protection for order security and delivery compliance
- 2-year warranty against manufacturing defects (damage caused by misuse excluded)
For project integrators managing phased rollouts, the factory can stage inventory releases to match site-readiness schedules. This reduces on-site storage requirements and improves cash flow alignment with project milestones.
Related Products
DO RFID Reader offers a complementary range of identification hardware for unified system deployment:
- 125kHz Wiegand 26/34 Card Reader – Wall-mount reader for door access control, size 115 × 75.5 × 16.8 mm.
- 125kHz / 13.56MHz Dual-Frequency Reader – Multi-protocol reader with Wiegand 26/34 and RS232 output options.
- 125kHz Proximity Card Reader – Wiegand output 26-bit for legacy access panel integration.
- 125kHz EM Proximity Card – Standard 86 × 54 mm card format for employee ID and visitor badging.
- MF1 1K Compatible Card – 13.56MHz Mifare Classic card for multi-application smart card systems.
- 125kHz / 13.56MHz / UHF RFID Keyfob – Compact form factor in multiple colors for key-ring identification.
Frequently Asked Questions
Q: How do I place a bulk order for this desktop RFID reader?
A: Send your volume requirement and any customization needs to info@dorfidreader.com. A sales representative will provide a quotation and production timeline within 24 hours.
Q: What payment options are available for international buyers?
A: We accept T/T bank transfer, PayPal, and Western Union. Trade Assurance is available for eligible orders.
Q: Can I get a sample to evaluate before placing a bulk order?
A: Yes. Free samples are available for qualification. The buyer covers the shipping cost, and sample orders ship within 1–5 days.
Q: What customization options do you offer for OEM orders?
A: OEM services include logo printing on the enclosure, custom packaging, cable length adjustments, and optional 13.56MHz module integration. Minimum order quantity applies for custom branding.
Q: What is the warranty period for this reader?
A: DO RFID Reader provides a 2-year warranty against manufacturing defects. Damage caused by improper use or physical impact is excluded from warranty coverage.
Q: Is this reader compatible with my existing 125kHz access control system?
A: The reader is designed for EM4100 and TK4100 compatible cards and keyfobs, which are the most widely used 125kHz proximity credentials in commercial access control systems.
Q: How long does bulk production take?
A: Production lead time is typically 7–15 days for orders up to 5000 units and 15–30 days for orders up to 100,000 units, depending on customization requirements.
Q: Do you support drop shipping or direct shipment to my project site?
A: Yes. We can ship directly to your project location or distribution center via express, air freight, or sea freight. You may also use your own shipping forwarder.
Contact and Inquiry
For technical specifications, pricing, OEM customization discussions, or bulk procurement planning, contact DO RFID Reader at info@dorfidreader.com. Your inquiry will be reviewed by our B2B sales team, and a detailed response will follow within one business day.