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5 . 2 . 2
L R P - S e r i e s T a g s
The HMS-Series and LRP-Series RFID tags listed in the above section are passive
devices, meaning that they require no internal batteries. These tags are fully readable
and writeable, except for the tag's unique ID number, which is read only.
There are no serviceable or repairable parts inside these tags, yet most are capable
of providing over 100,000 write cycles and 10 years of data retention. In fact, tests
resulting in over one million write cycles have been recorded by some tags.
Numerous tag-related factors can adversely affect RF range and data transmission
between the controller and the tag, including the tag's integrated circuit (IC), the tag's
antenna coil design, the tag's antenna conductor material, the tag's antenna coil
substrate, the tag IC incorporated, the antenna coil bonding process and the
embodiment material that is used.
Additionally, the mounting environment of the tag and reader/writer can hinder
performance due to other materials affecting the tuning of either antenna. Escort
Memory Systems has performed extensive testing to produce tags that obtain
optimum performance with our RFID devices. In most cases, optimal range will be
obtained when mounting the tag and antenna in locations free from the influence of
metals and EMI emitting devices.
C 0 4 0 5 - X X X - 0 1 O P E R A T O R ' S M A N U A L – R E V . 0 3
NXP I-CODE SLI, 112-byte + 64-bit ID (ISO 15693)
Texas Instruments Tag-it, 32-byte + 64-bit ID (ISO 15693)
Infineon My-D Vicinity, 1k-byte + 64-bit ID (ISO 15693)
Figure 5-2: LRP-Series Tags
C H A P T E R 5 : R F I D T A G S
P A G E 4 6 O F 7 5
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