About RFID Tags

Tag Orientation

Single Dipole Antenna Tag

Tags that have a single dipole antenna should be vertically positioned for optimal read performance.

Dual Dipole Antenna Tag

Tags with dual dipole antennas are less susceptible to polarization and can be read in either horizontal or vertical alignments to the read plane.

Factors Affecting Performance

Water or water-based products will inhibit (absorb) the signal.

Metal surfaces near the tags may affect performance.

Misuse of tags (i.e. bending the tag antenna) could cause the tags to become dysfunctional.

Any emitted radiation in the 902Mhz to 928Mhz range can interfere with the device operation.

Addendum

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Datalogic Scanning 5500 manual Tag Orientation, Factors Affecting Performance