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June 3, 2010
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identiCLASS Developer Tool Kit User Guide
9
Regulatory
The identiCLASS 3500 Reader Board has been FCC modular approved
– refer to the
identiCLASS devleoper website for the FCC approval number.
Any equipment using the identiCLASS 3300 Reader Core will have to be submitted for FCC
approval by the OEM. The following
“theory of operation” will be required in order to gain
approval.
9.1 Theory of Operation
9.1.1
Block diagrams
9.1.2
System Description & How the Device Operates
The reader/writer is designed to communicate with a transponder IC using an RF interface, at
distances up to 70 mm. The transmitter/receiver antenna emits a 13.56MHz AC magnetic field.
The field "powers up" a passive credential which is brought into the proximity of the antenna.
The transponder, when powered, operates as a field disturbance device and either receives or