All RFID Product
(And why they’re silently running your world)
You’ve touched one today. That key card unlocking your office? The label on your Amazon package? Likely an RFID passive tag – a battery-free marvel turning everyday objects into trackable smart assets. Here’s how these unsung heroes actually work (no PhD required).
RFID passive tags have zero internal power. Instead, they hijack energy from RFID readers:
⚡ Real-world magic: Cykeo’s warehouse readers scan 200+ boxes through cardboard in 3 seconds – all powered by this energy handshake.
| Type | Range | Best For | Achilles’ Heel |
|---|---|---|---|
| LF (125 kHz) | 1-5 inches | Animal chips, key fobs | Can’t read through beer |
| HF/NFC (13.56 MHz) | Up to 1 ft | Contactless payments | Metal kills range |
| UHF (900 MHz) | 3-30 ft | Warehouses, toll roads | Water/metal interference |
Truth bomb: That “30 ft range”? Only with palm-sized tags in open air. A tiny UHF label on a metal crate? Maybe 3 ft.
🔍 Cykeo tip: Their TagSim tool predicts read zones before deployment – saves costly trial/error.
Need 50-100 ft range? Battery-Assisted Passive (BAP) tags:
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