Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This keyfob operates at 13.56 MHz, a standard frequency for proximity-based access control, ensuring compatibility with HID iCLASS SE readers. The 256-byte memory capacity supports secure data storage for authentication protocols, enabling encrypted communication between the keyfob and reader systems.
With dimensions of 1.54 inches in length, 1.25 inches in width, and 0.24 inches in thickness, the keyfob is engineered for minimal bulk without sacrificing durability. The approximate weight of 0.01 pounds (4 grams) enhances portability, making it easy to attach to keyrings or carry in pockets for daily use.
This section brings together practical product details such as Smart Card/Tag Width, Smart Card/Tag Length, Smart Card/Tag Thickness, Memory Size, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The keyfob's compact size and lightweight build offer practical advantages for users who need a convenient access credential. Its blue and black coloring provides visual distinction, aiding in quick identification among other keys or devices.
Durable Construction
Made from ABS thermoplastic and TPE elastomer, this keyfob resists impacts, moisture, and temperature variations, ensuring long-term performance in diverse environments.
- ABS material for rigidity
- TPE for flexibility and grip
- Resistant to wear and tear
Secure Access Integration
Designed for HID iCLASS SE systems, it supports encrypted authentication, reducing the risk of unauthorized access and enhancing overall security posture.
- 13.56 MHz frequency for reliable reads
- 256-byte memory for secure data
- Compatible with iCLASS SE infrastructure
Deployment / Use Cases
This keyfob is tailored for deployment in access control scenarios where HID iCLASS SE technology is implemented. It serves as a reliable credential for employees, visitors, or contractors requiring secure entry to buildings, rooms, or restricted areas.
Common use cases include corporate offices, educational institutions, healthcare facilities, and industrial sites. Its durability makes it suitable for high-traffic environments, while the small form factor ensures it integrates seamlessly into daily routines without adding bulk to keychains or pockets.
Corporate Security
Ideal for office buildings, providing employees with a secure, easy-to-carry credential for door access, parking gates, and elevator controls.
Educational and Healthcare
Used in schools and hospitals to manage access to sensitive areas, ensuring only authorized personnel can enter while maintaining a low-profile design.
Physical Profile
The keyfob measures 1.54 inches in length, 1.25 inches in width, and 0.24 inches in thickness, with an approximate weight of 0.01 pounds (4 grams). This compact profile allows for easy attachment to standard keyrings, lanyards, or clips, promoting convenient access without compromising on durability. The blue and black ABS/TPE construction not only enhances aesthetics but also provides a tactile grip, reducing the likelihood of drops in busy settings.
- Width
- 1.25" (31.80 mm)
- Weight
- 0.01 lb
- Length
- 1.54" (39 mm)
Highlights
- HID iCLASS SE Key II RFID keyfob for secure access control
- Compact dimensions: 1.54" x 1.25" x 0.24" (39 x 31.8 x 6 mm)
- Lightweight at 0.01 lb (4 g) for easy portability
- 13.56 MHz operating frequency ensures reliable proximity reads
- 256-byte memory supports encrypted authentication data
- Durable ABS thermoplastic and TPE elastomer construction
- Blue and black color scheme for visual distinction
- Lifetime warranty for long-term reliability and support
Specifications
| Specifications | |
|---|---|
| Manufacturer | HID Global Corporation |
| Manufacturer Part Number | 3251PNNMN |
| Brand Name | HID |
| Product Line | iCLASS |
| Product Model | 3251 |
| Product Name | iCLASS SE Key II |
| Product Type | RFID Tag |
| Product Information | |
| Smart Card/Tag Width | 1.25" (31.80 mm) |
| Smart Card/Tag Length | 1.54" (39 mm) |
| Smart Card/Tag Thickness | 0.24" (6 mm) |
| Media Weight | 0.01 lb |
| Operating Frequency | 13.56 MHz |
| Memory | |
| Memory Size | 256 Byte |
| Physical Characteristics | |
| Product Color | Blue,Black |
| Product Material | Acrylonitrile Butadiene Styrene (ABS),Thermoplastic Elastomer (TPE) |
| Weight (Approximate) | 4 g |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What is the operating frequency of the HID 3251PNNMN keyfob?
The keyfob operates at 13.56 MHz, which is a standard frequency for RFID-based access control systems. This frequency ensures compatibility with HID iCLASS SE readers, providing reliable and secure communication for authentication purposes in various environments.
How much memory does this RFID keyfob have?
It features 256 bytes of memory. This capacity is used to store encrypted data necessary for secure authentication with HID iCLASS SE systems, helping to prevent unauthorized access and enhance the overall security of your access control infrastructure.
What materials is the keyfob made from?
The keyfob is constructed from Acrylonitrile Butadiene Styrene (ABS) thermoplastic and Thermoplastic Elastomer (TPE). ABS provides rigidity and impact resistance, while TPE adds flexibility and a comfortable grip, making it durable enough to withstand daily use in diverse conditions.
What are the dimensions and weight of this keyfob?
It measures 1.54 inches in length, 1.25 inches in width, and 0.24 inches in thickness, with an approximate weight of 0.01 pounds (4 grams). This compact and lightweight design makes it easy to carry on keyrings or in pockets without adding bulk, ideal for frequent access needs.
Is this keyfob compatible with HID iCLASS SE systems?
Yes, the HID 3251PNNMN is designed specifically for integration with HID iCLASS SE access control systems. It uses the 13.56 MHz frequency and 256-byte memory to support encrypted authentication, ensuring seamless operation with compatible readers and infrastructure.
What warranty does this product come with?
This keyfob includes a lifetime limited warranty from HID. This warranty covers defects in materials and workmanship, providing long-term assurance of reliability and support for your access control investment, which is particularly valuable in security-critical deployments.