Choosing the right RFID tag may seem a simple task at first sight, but when it comes to maximizing the potential of its monitoring and identity systems, an element that often goes unnoticed is the frequency where these tags work. The frequency of an RFID system plays an important role in determining its performance, with distant implications to interrupt the interference and reading of the range.
Let’s look at LF, HF, and UHF RFID tags to understand them better.
In the world of radio waves, “Low-frequency band covers frequencies from 30,000 cycles per second (30 kHz) to 300,000 cycles per second (300 kHz). Regarding RFID tags, those operating around 125 kHz fall into this low-frequency category. Now, here is what makes these tags unique:
These low-frequency RFID tags work slower when they share information compared to their highest-frequency counterparts. Imagine that this is like talking; low-frequency tags speak a bit diligently. These tags send signals in all directions, as a bulb illuminates all around it. But they only reach things about 10 centimeters away. Think about it like a flashlight with a short beam.
Here is the interesting part: low-frequency tags are like superheroes when it comes to staying focused. They do not easily interfere with noise or electronic shocks around them. It is as if they had additional ears that can filter unwanted noise.
People often use these tags for tasks such as opening doors. When you slide a card to enter a building, it is a good possibility that a low-frequency RFID tag does the job. They seem guardians.
And one more thing, they have a neat trick under their sleeves: they can send their signals through thin metal layers. It is as if they had a secret path to speak, even with metal along the way.
In the world of radio waves, high-frequency RFID tags are like a recreation ground for signals, from 3 million cycles per second (3 MHz) to 30 million cycles per second (30 MHz). Most high-frequency RFID cards want to hang out around 13.56 million cycles per second (13.56 MHz).
Compared to low-frequency systems, they face a little more interruption than other radio waves. Think about it like being at a party where some conversations occur at the same time. Sometimes, it can be a bit noisy for high-frequency RFID tags.
RFID frequency tags are like RFID’s Swiss army knives. They have many different jobs to do. There are rules that follow, type of such as games with instructions. These rules are called “standards.” Some of the main standards for high frequency are ISO 15693, ISO/IEC 14443A, and ISO/IEC 14443 for the family of the Mifare card. It is like having different rules for different games.
You may have probably used high-frequency RFID tags even without knowing it. Things like smart cards, the technology that allows you to greet your phone to pay, and NFC labels (the things that make your phone do great things when you tap it somewhere) all belong to the high-frequency gang. They are like great children who have taken technological magic.
Now, have a closer look at UHF RFID tags. Imagine the world of radio waves as a great playing ground, where there is a special section called “Ultra High-Frequency Band.” This band covers a wide range of 300 million cycles per second (300 MHz) to 3 billion cycles per second (3 GHz). Most UHF systems like to play around 900 million cycles per second (900 MHz) to 915 million cycles per second (915 MHz).
Now, here is the more exciting part about UHF tags: they are like sprinters from the RFID world. This high frequency gives them incredible superpower: they can send their signals very far, up to 12 meters (approximately 40 feet). It is as if they had a long-range radius.
UHF tags are also very fast when it comes to sharing information, faster than low-frequency or high-frequency pals. They work the same as the speed of lightning.
But, here is the capture: UHF tags are like sensitive ears in the noise crowds. They can be easily confused with all the noise of the radio waves around them. However, the good news is that UHF tags are relatively easy and cost-effective. Therefore, the UHF is becoming more popular in several industries due to its wide range and fast communication. It is as if they were climbing in the world of technology.
Choosing the right band that suits you
Choosing the right radio frequency for your RFID needs is like choosing the best work tool. RFID technology has changed how companies work by helping them manage supplies, improving their processes, and observing their products with great precision.
Now, the great thing is that RFID technology is becoming more common. It works as a secret weapon for companies that help them grow, save money, and get more income.
One thing can help! To enjoy all the potential of RFID technology, you really need to make a wise decision. If you are running a business or a leader of your team, the right choice of RFID tag can help your business grow better and faster. But it’s only possible when you understand these frequencies well. This guide has shared all the essential information about LH, HF, and UHF tags. Now, just make a wise decision and your business will rise to new success.