Hello folks,
I'm trying to get two identical custom boards with CC430F5137's to communicate with each other via 433 MHz. The two boards are able to communicate with each other when the antenna is in orientation X but not in orientation Y.
So, I picked up an RF explorer and looked at the spectrum graphs in both cases. In orientation X, I see a bunch of signals at 433 MHz (as expected) but in orientation Y, I see signals at the 437 MHz region. How does this make sense? I would expect the frequency observed to be constant in both orientations but perhaps the signal amplitudes would be different.
PS: I've verified that there is no corruption in the registers that hold the center frequency/channel number/channel size.