> Both of them have modular approval, allowing them to be used in products
> without needing further certification, but there are certain
> constraints, the high points being that the module must have an RF
> shield and a voltage regulator on the RF output stage. Also for the
> containing product to be exempt from certification there must be no
> other RF transmitters in the product that contains the module. So if you
> were to put a wifi module and a bluetooth module into a product, you
> would need to get the product certified, even if both had modular
> approval.
>
> Best regards, Bob

I recently dealt with a modular transmitter. We used SPI to turn off the
transmitter, then the lab ran the standard unintentional radiator tests.
We have a label on the device saying that it includes a modular
transmitter along with the FCC ID of the transmitter. Because of the use
of the modular transmitter, our device only needed to be tested by
verification instead of certification.

Harold



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