EM4582
High-security AES-enabled transponder for automotive and industrial applications.
Ultra-secure LF transponder
EM4582 is a 125 kHz contactless Read/Write secure transponder designed for high-security applications. It features AES-128 encryption, mutual authentication (ISO9798-2), FIPS-compliant TRNG, and 8.5 kBits of user memory. Powered by LF magnetic field, it ensures wireless power and robust performance for automotive immobilizers, building access, and industrial security.
Key Features
AES-128 encryption with mutual authentication • 8.5 kBits user memory with write protection • Battery-free LF-powered operation • FIPS-compliant TRNG for secure key generation
At just 22x32x5.5 mm, and with optional preinstalled 3M adhesive, EMBP01 is quick and easy to install – a key feature when you have tens of thousands of assets, load carriers, etc. that you need to populate.
EM4582 integrates AES-128 encryption and mutual authentication protocols, making it highly resistant to cloning and relay attacks. This ensures robust protection for automotive immobilizers and secure access systems.
Powered by energy harvested from a 125 kHz magnetic field, EM4582 eliminates the need for batteries. This design reduces maintenance costs and guarantees continuous operation without power interruptions.
With EEPROM data retention of up to 20 years, EM4582 provides dependable performance and secure data storage for long-term deployments in critical environments.
Engineered to withstand harsh conditions, EM4582 operates reliably from -40°C to +85°C, making it perfect for automotive immobilizers and industrial access control systems.
Features
- Frequency: 125 kHz LF
- Transmission rate: 4k bauds
- Integrated resonance capacitor: 200 pF
- Operating temperature: -40°C to +85°C
- Delivery form: sawn wafer
Technical Resources
Download product data sheets, fact sheets, and development resources or get expert support to accelerate your integration.
Application Areas
- Automotive immobilizer
- Building security access
- Hotel room access
- Company badges
- Parking lot security
- Industrial applications
FAQ
Q: What is EM4582 used for?
A: It secures automotive immobilizers and access control systems.
Q: Does EM4582 require a battery?
A: No, it is powered by LF magnetic field.
Q: What security does EM4582 offer?
A: AES-128 encryption and mutual authentication.
Q: Is EM4582 automotive compliant?
A: Yes, it meets automotive immobilizer standards.
Q: How much memory does EM4582 have?
A: It offers 8.5 kBits of user memory.
Q: What is the operating temperature range?
A: -40°C to +85°C.
Q: Does EM4582 support ISO standards?
A: Yes, ISO9798-2 for authentication.
Q: What is the data retention period?
A: Up to 20 years.
Q: Can EM4582 be used in hotels?
A: Yes, for secure room access.
Q: Is EM4582 suitable for industrial use?
A: Absolutely, for secure access and control.
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