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125 kHz RFID, operating at a low frequency, is used in a variety of applications where a relatively short read range and lower data transfer speeds are acceptable. Here are some of its common uses:
Common Applications:
- Access Control:
- This is a very common application. 125 kHz RFID is often used in basic access control systems for buildings and parking garages. These systems provide a reliable way to grant or deny entry.
- Animal Identification:
- Microchips implanted in animals for identification purposes often use 125 kHz RFID. This allows for easy scanning and tracking of animals.
- Asset Tracking:
- In industrial settings, 125 kHz RFID tags can be used to track assets, especially in environments where durability and resistance to harsh conditions are important.
- Time and Attendance:
- Some time and attendance systems use 125 kHz RFID cards for employees to clock in and out.
- Key Fobs:
- Many key fobs used for access control or other identification purposes operate at 125 kHz.
Key Characteristics and Considerations:
- Short Read Range:
- 125 kHz RFID typically has a short read range, usually only a few centimeters. This can be an advantage in applications where you want to ensure that only cards in very close proximity are read.
- Lower Data Transfer Speed:
- Compared to higher frequency RFID technologies, 125 kHz RFID has a lower data transfer speed.
- Durability and Reliability:
- 125 kHz RFID is known for its durability and reliability, making it suitable for use in harsh environments.
- Lower Cost:
- Generally, 125 kHz RFID systems and tags are less expensive than higher frequency RFID solutions.
Summary: The 125 kHz RFID is a reliable and also cost effective technology. It is well-suited for applications that require basic identification and access control capabilities.
