hello. I am testing the X-NUCLEO-S2915A1 board.
The board has been confirmed to be manufactured for use in the 915Mhz band.
When transmitting frequencies in the 940Mhz to 950Mhz band through the board, inefficient frequencies occur above 1Ghz.
You must change the board's Tx Filter to S2-LP and proceed with the test.
I checked the filter section in two places in the datasheet.
Can you improve it by applying the following low pass filter to the blue part?
I also confirmed that the amplifier supports up to 930Mhz, but I would like to use it as is if there are no problems.
