RFID reader Antenna

BARCODE SCANNERS, RFID Reader/ Scanner, Uncategorized

RFID reader Antenna

Categories: BARCODE SCANNERS, RFID Reader/ Scanner, Uncategorized

Description
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Frequency Ranges:
- LF (30–300 kHz): Used for short-range applications like animal tracking and basic access cards.
- HF (3–30 MHz): Used for smart cards and NFC.
- UHF (300 MHz–3 GHz / typically 860–960 MHz): Used for long-range supply chain, retail, and warehouse tracking. [1, 2]
Polarization:
- Circular Polarization: Emits waves in a spiral pattern; ideal when tag orientation varies or moves.
- Linear Polarization: Emits waves in a single plane; offers a longer read range but requires precise tag alignment.

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