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NFC and RFID: The Tech Siblings

Just like siblings, Near Field Communication (NFC) and Radio Frequency Identification (RFID) technologies work hand-in-hand to achieve a common goal: enhanced security and risk mitigation.
Paul Baze, MPA, CJM, CCT, NJLCA
Paul Baze, MPA, CJM, CCT, NJLCA
Contributors:
Kenzie Koch | Senior Marketing Specialist

In today’s world, we are all too familiar with accessing anything and everything with just a few clicks of our cell phones. When mobile phones launched the ability to use Internet access, we were mindblown to learn we could search literally anything in the search bar. Then that became old news. We grew more accustomed to the other technology features our phones allowed. 

For example, gaining access to outside entities with, again, just a few clicks on the screen. Scanning a QR code to view a contactless menu at a restaurant? Easy. Scanning the barcode of the concert tickets you bought online at the entrance gate? No problem. Our cell phones opened up a plethora of technology features to use either directly on or separately from the device itself.

But have we ever stopped to think about what’s happening behind the scenes? When you scan something and get instant results, there’s a lot of technology working in the background. Many people, including correctional officers who use mobile scanners to track RFID (Radio Frequency Identification) tags, may not fully understand how RFID technology works.

RFID uses radio waves to capture and transmit data in real time, which helps officers log information more efficiently and complete their rounds faster. Factors like usage frequency, connection range, and communication barriers are key to its functionality. Similarly, many aren’t aware of how components like Near Field Communication (NFC) contribute to this real-time data collection.

In this blog, we’ll delve into the hidden processes behind these technologies. Although we can’t see them, NFC and RFID are working their magic, AKA using their security features and risk mitigation strategies to deliver results. We’ll explore how GUARDIAN RFID leverages these tools for effective risk management. Get ready for a deep dive into computer jargon so grab your Monster and Skittles, because there will be a lot of nerdy tech talk.

Unveiling the Connection: NFC and RFID

NFC and RFID, often used interchangeably, are two technologies closely intertwined with NFC as a subclass of RFID. Although both RFID and NCF rely on wireless communication, their distinctions lie in the range and capabilities they offer. Imagine them as siblings within the same technological family. NFC is the younger sibling that follows its older sibling, RFID. 

Never being far behind RFID, NFC operates at a shorter range, typically within a few centimeters, making it perfect for contactless transactions, sharing information, and accessing restricted areas. From tap-to-pay systems to sharing data between smartphones, NFC provides simplicity and convenience in our daily lives. 

RFID, on the other hand, is the cool older sibling who enjoys exploring the world at a distance. It operates over a broader range, allowing for real-time tracking, inventory management, and supply chain optimization. From tracking packages during shipping to identifying pets with microchips, RFID showcases its versatility in various industries. 

While NFC is built upon the principles of RFID, it goes beyond incorporating additional functionalities for two-way communication and secure data exchange. This advancement enables devices like smartphones or contactless cards to establish connections and interact with other NFC-enabled devices or NFC tags nearby, typically within a few centimeters. So, being a specialized subset of RFID technology, NFC operates in the HF (high frequency) band at 13.56 MHz. RFID technology itself operates in the HF 3 to 30 MHz.

At the heart of the corrections industry lies the human element. NFC plays a pivotal role in aligning with legal standards and best correctional practices, particularly regarding officer rounds and observations. The proximity between NFC-enabled Hard Tags, Wristband/ID cards, and the system ensures the ability to verify an officer's physical presence with the offender. This level of verification surpasses what can be achieved with a mere barcode or QR code, emphasizing the unique value NFC brings to the corrections landscape.

Security Measures: NFC and RFID Tag Team

Security is a top priority when it comes to wireless technologies. Like siblings that have each other’s backs, both NFC and RFID have built-in security features and risk mitigation strategies to ensure data protection and minimize vulnerabilities:

  1. Authentication: NFC and RFID user authentication protocols to validate communication between devices. This ensures that only authorized devices can exchange information, preventing unauthorized access. 

  2. Encryption: Both technologies employ advanced encryption algorithms to protect sensitive data during transmission. This approach guards against eavesdropping and data tampering, ensuring that communication channels remain secure.

  3. Access Controls: NFC and RFID systems can implement access controls, such as passwords or biometrics, to restrict unauthorized usage. These measures add an extra layer of security, ensuring only authorized individuals can interact with the technology.

Risk Mitigation Strategies

While NFC and RFID have robust security features, it's essential to adopt additional risk mitigation strategies to further protect against potential threats:

  1. Regular Updates: Keeping NFC and RFID devices and systems up-to-date with the latest firmware and security patches helps address any vulnerabilities that may be discovered over time. 

  2. User Education: Educating users about the best practices and potential risks associated with NFC and RFID technologies is crucial. Encouraging users to protect their devices, avoid suspicious links or downloads, and stay vigilant against social engineering attacks is a powerful defense. 

  3. Physical Security: Implementing physical security measures, such as tamper-evident seals or secure enclosures, can help safeguard NFC and RFID devices from unauthorized physical access.

How GUARDIAN RFID Utilizes NFC and RFID

When assessing mobile inmate tracking solutions, it's essential to consider how vendors approach the subjects of RFID and NFC. Be sure to take note of their expertise and experience in the RFID/NFC field. (HINT: “RFID” is part of our company name for a reason.) RFID runs through the very core of our identity at GUARDIAN RFID, making us true experts in the realm of RFID, including NFC. 

While we are proud of mastering the art of harnessing the power of these technologies, we also understand the significance of transparency. We frequently receive inquiries about Active RFID systems for long-distance inmate tracking. However, it's important to understand the drawbacks associated with Active RFID technology. 

The truth is that Active RFID systems tend to be cost-prohibitive, requiring substantial financial investment. Additionally, they often demand high maintenance efforts, which can burden correctional facilities. Active RFID systems may inadvertently create a larger window of opportunity for officer complacency and potential inmate misconduct. These limitations highlight the reasons why we advocate for alternative, more efficient solutions like our GUARDIAN RFID system

We at GUARDIAN RFID take great pride in trailblazing RFID inmate tracking back in 2005. But we didn’t stop there. Over the years, we’ve continuously grown a team of dedicated Guardians committed to serving the corrections Warriors. As your team assesses various inmate tracking systems, consider how GUARDIAN RFID technology is built with the officers' experience at its core, ensuring it works seamlessly to support your team’s crucial responsibilities. We understand the challenges you face, and our unwavering commitment is to provide reliable and effective solutions that align with your mission of care, custody, and control. 

As we bid farewell to our exploration of NFC and RFID, we've learned how these technologies share a close bond while showcasing their unique characteristics. From the simplicity and convenience of NFC to the versatility of RFID, they both play vital roles in our interconnected world. To learn more about how GUARDIAN RFID provides fundamental risk mitigation with our patented technology, please view the link below and locate U.S. Pat. No. 9,024,754.

https://patents.justia.com/patent/9483926

Paul Baze is the Director of Sales at GUARDIAN RFID. Baze began his career in corrections in 2008 at the Coconino County Sheriff’s Office in Flagstaff, AZ.