lector rfid
December 20, 2025
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# RFID Reader
## What is an RFID Reader?
An **RFID reader** is a device that uses radio frequency waves to wirelessly identify and track tags attached to objects. It is a core component of any RFID system, acting as the interrogator that powers passive tags and receives their transmitted data. In my personal experience working with warehouse inventory systems, implementing the right RFID reader was transformative, drastically reducing manual counting errors and saving countless hours.
## How an RFID Reader Works: A Personal Perspective
From my viewpoint, the elegance of RFID technology lies in its simplicity for the end-user, despite the complex underlying physics. A reader emits a signal via its antenna. A nearby RFID tag, which contains a microchip and an antenna, is energized by this signal (in the case of passive tags) and responds by transmitting its unique identification data back to the reader. I've always been fascinated by this silent, invisible conversation happening dozens of times per second.
### Key Technical Specifications and Parameters
When selecting an **RFID reader**, understanding its technical specifications is crucial for a successful deployment. Here are detailed parameters for a typical UHF RFID reader model, such as those optimized for supply chain management:
* **Frequency Range:** 860 MHz - 960 MHz (UHF Global)
* **Protocol Support:** EPCglobal UHF Class 1 Gen 2 (ISO 18000-6C)
* **Output Power:** Adjustable from 10 dBm to 30 dBm (1W)
* **Read Range:** Up to 10 meters for passive tags (highly environment-dependent)
* **Interface:** Ethernet (RJ45), RS-232, RS-485, GPIO
* **Antenna Ports:** 4 x TNC connectors (supporting 4 monostatic or 2 bistatic antenna pairs)
* **Chipset/Processor:** Often based on Impinj Indy R2000 series or similar dedicated UHF RFID integrated circuit.
* **Dimensions:** 200mm (L) x 150mm (W) x 35mm (H)
* **Operating Temperature:** -20°C to +55°C
* **Power Supply:** 12V DC, 2A
> **Important Note:** The above technical parameters are for reference and illustrative purposes only. Exact specifications, chip codes, a
The Use of RFID for Human Identity Verification
## What is an RFID Reader?
An **RFID reader** is a device that uses radio frequency waves to wirelessly identify and track tags attached to objects. It is a core component of any RFID system, acting as the interrogator that powers passive tags and receives their transmitted data. In my personal experience working with warehouse inventory systems, implementing the right RFID reader was transformative, drastically reducing manual counting errors and saving countless hours.
## How an RFID Reader Works: A Personal Perspective
From my viewpoint, the elegance of RFID technology lies in its simplicity for the end-user, despite the complex underlying physics. A reader emits a signal via its antenna. A nearby RFID tag, which contains a microchip and an antenna, is energized by this signal (in the case of passive tags) and responds by transmitting its unique identification data back to the reader. I've always been fascinated by this silent, invisible conversation happening dozens of times per second.
### Key Technical Specifications and Parameters
When selecting an **RFID reader**, understanding its technical specifications is crucial for a successful deployment. Here are detailed parameters for a typical UHF RFID reader model, such as those optimized for supply chain management:
* **Frequency Range:** 860 MHz - 960 MHz (UHF Global)
* **Protocol Support:** EPCglobal UHF Class 1 Gen 2 (ISO 18000-6C)
* **Output Power:** Adjustable from 10 dBm to 30 dBm (1W)
* **Read Range:** Up to 10 meters for passive tags (highly environment-dependent)
* **Interface:** Ethernet (RJ45), RS-232, RS-485, GPIO
* **Antenna Ports:** 4 x TNC connectors (supporting 4 monostatic or 2 bistatic antenna pairs)
* **Chipset/Processor:** Often based on Impinj Indy R2000 series or similar dedicated UHF RFID integrated circuit.
* **Dimensions:** 200mm (L) x 150mm (W) x 35mm (H)
* **Operating Temperature:** -20°C to +55°C
* **Power Supply:** 12V DC, 2A
> **Important Note:** The above technical parameters are for reference and illustrative purposes only. Exact specifications, chip codes, aPhone: +86 19925232774
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