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HID 921NTNTEK00000 iCLASS RK40 Smart Card Reader - Wiegand Interface - Black
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Product Features
Technical Overview
The RK40 operates on HID's iCLASS technology, offering 13.56 MHz contactless smart card reading with advanced encryption for secure data transmission. The Wiegand host interface is the primary communication method, providing a straightforward, widely compatible connection to access control hardware without requiring complex configuration.
This reader is engineered for consistent performance in indoor installations. Its environmental design includes RoHS compliance, ensuring it meets strict standards for hazardous substance restrictions. The physical construction is robust, with dimensions optimized for standard mounting scenarios while maintaining a low-profile footprint.
This section brings together practical product details such as Host Interface, Color Family, Product Color, Height, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The HID iCLASS RK40 combines trusted technology with practical design for access control professionals. Its advantages center on integration ease, durability, and long-term value.
Seamless Integration
The Wiegand interface ensures compatibility with most access control systems, reducing installation time and complexity.
- Widely supported industry standard
- Plug-and-play connectivity
- No proprietary software required
Durable Construction
Built to withstand daily use in high-traffic areas, with a sturdy housing that resists wear and environmental factors.
- Robust black finish
- Compact, impact-resistant design
- Suitable for indoor commercial use
Long-Term Reliability
Backed by a lifetime limited warranty, the RK40 offers peace of mind and reduces total cost of ownership over its lifespan.
- Lifetime warranty support
- Proven iCLASS platform reliability
- Low maintenance requirements
Deployment / Use Cases
The HID iCLASS RK40 is ideal for organizations requiring dependable access control at entry points. Its standard interface and compact size make it versatile for various security scenarios.
Common deployments include corporate offices, educational facilities, healthcare buildings, and government institutions where controlled access to doors, gates, or restricted areas is necessary. The reader supports both employee and visitor credential management, integrating into systems that manage permissions, time schedules, and audit trails.
Corporate Access Control
Secure entry to office buildings, server rooms, and sensitive areas with employee smart cards.
Institutional Security
Manage access in schools, hospitals, or government facilities where controlled entry is critical for safety and compliance.
Physical Profile
The RK40 features a sleek black housing measuring 4.80" in height, 3.30" in width, and 1.10" in depth. This compact form factor allows for discreet installation on door frames, walls, or turnstiles without obtrusive protrusion. The finish is designed to blend with modern architectural elements while providing a tactile, durable surface that resists scratches and fading.
- Width
- 3.30" (83.82 mm)
- Depth
- 1.10" (27.94 mm)
- Height
- 4.80" (121.92 mm)
Highlights
- HID iCLASS RK40 model for contactless smart card reading
- Wiegand host interface for broad access control system compatibility
- Black color with durable, compact housing design
- Dimensions: 4.80" H x 3.30" W x 1.10" D (121.92 mm x 83.82 mm x 27.94 mm)
- RoHS compliant for environmental safety
- Lifetime limited warranty for long-term reliability
- 13.56 MHz operating frequency with secure encryption
- Ideal for corporate, institutional, and commercial access control deployments
Specifications
| Specifications | |
|---|---|
| Manufacturer | ASSA ABLOY |
| Manufacturer Part Number | 921NTNTEK00000 |
| Brand Name | HID |
| Product Line | iCLASS |
| Product Model | RK40 |
| Product Name | iCLASS RK40 Smart Card Reader |
| Product Type | Smart Card Reader |
| Interfaces/Ports | |
| Host Interface | Wiegand |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Height | 4.80" (121.92 mm) |
| Width | 3.30" (83.82 mm) |
| Depth | 1.10" (27.94 mm) |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What type of smart cards does the HID iCLASS RK40 reader support?
The RK40 supports contactless smart cards operating at 13.56 MHz using HID's iCLASS technology. It is compatible with iCLASS credentials and other ISO 15693 compliant cards, providing secure, encrypted communication for access control systems.
How does the Wiegand interface work with this reader?
The Wiegand interface is a standard data communication protocol used in access control. The RK40 outputs credential data via Wiegand signals, allowing direct connection to most access control panels, controllers, or systems that accept Wiegand input, ensuring easy integration without additional converters.
What are the physical dimensions of the RK40 reader?
The reader measures 4.80 inches in height (121.92 mm), 3.30 inches in width (83.82 mm), and 1.10 inches in depth (27.94 mm). This compact size facilitates installation on standard door frames, walls, or mounting plates with minimal space requirements.
Is the HID iCLASS RK40 environmentally compliant?
Yes, the RK40 is Restriction of Hazardous Substances (RoHS) compliant. This means it adheres to regulations limiting the use of specific hazardous materials in electronic products, making it suitable for environmentally conscious deployments and compliant with global standards.
What warranty comes with the RK40 smart card reader?
HID provides a lifetime limited warranty for the RK40. This warranty covers defects in materials and workmanship for the product's lifespan, offering long-term assurance and reducing replacement costs, which is valuable for critical security infrastructure.
Where is the RK40 typically installed in access control systems?
The RK40 is commonly installed at entry points such as doors, gates, or turnstiles where access control is required. Its black, low-profile design suits indoor commercial environments like offices, schools, and healthcare facilities, mounted on frames or walls near credential presentation areas.