RFID Frequencies and Interference

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Will existing RF technology (e.g., 900 MHz phones) cause interference?

What frequencies will rule? 13.56 MHz or 900 MHz?

What happens to the 802.11b technology we purchased a year ago for wireless scanning? Will there be interference with this new technology?


Will existing RF technology (e.g., 900 MHz phones) cause interference?

Any devices operating at the same frequency have the potential to interfere with each other. The biggest problem may come from the legacy 900 MHz wireless LANs currently used in many warehouses. There are ways to work around this issue by setting up these systems so that they do not use the same RF channels at the same time. It is also important to note that older (circa 915 MHz) WLAN installations are being replaced by 2.45 GHz systems.


What frequencies will rule? 13.56 MHz or 900 MHz?

Both 13.56 MHz and 900 MHz offer great features for a wide variety of applications. The applications will dictate which technology offers the better choice based on specific performance requirements. For supply chain and logistics applications, 900 MHz will be the clear winner due to its read-range performance.


What happens to the 802.11b technology we purchased a year ago for wireless scanning? Will there be interference with this new technology?

802.11b operates at 2.45GHz, and will not interfere with 900MHz RFID systems (or vice versa).

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