LADS obtained FCC modular approval in July for its IDM Reader Series.
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Why is this important?
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This is important because LADS IDM readers can now be installed in any FCC Class-A-aproved system without the need for FCC re-testing.
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An RFID without modular approval requires that the system into which it is to be installed be re-tested to maintain its Class A certification. Furthermore, any new device instaled in the system with the RFID reader will require a re-test of that system to maintain a Class A certification.
This could get quite expensive and time-consuming if your system is subject to upgrades or electronic manufacture device changes within your system. The FCC realized this problem and, therefore, came up with modular certification of low power unlicensed transmitters that would not require this.
To qualify for modular certification, the RFID reader must pass Class B certification for emissions (radiated and conductive) and pass the low power requirements as a transmitter. In addition, several hardware requirements on the RFID reader must be met as explained in the FCC Public Notice, DA 00-1407, Released: June 26, 2000. The most noticable requirements are listed below.
- The modular transmitter must have its own RF shielding. This means that the RF portion, including the oscillator, must reside in an enclosed metal shield. This is intended to ensure that the module does not have to rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with Part 15 limits. It is also intended to prevent coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. Such coupling may result in non-compliant operation.
- The modular transmitter must have its own power supply regulation. This is intended to ensure that the module will comply with Part 15 reequirements, regardless of the design of the power supplying circuitry in the device into which the module is installed.