We have a product which has POE as its main power supply. It is used as a gateway between internet and a local 868 MHz network. The current POE components we have used are no longer available, so we have redesigned this product with new POE components. the POE design is directly copied from this development board(TPS23750EVM-108). After some testing we have noticed we have a constant noise on the 868 MHz radio module.
the noise is big enough to prevent the radio from sending any messages cause the power of the receive signal is too high.
Is there any high frequency noise coming from any of the POE components used on this board and is there a solution to suppress this noise.
