why there is not any FM transmit example for USRP in simulink matlab?

i downloaded package for SDR USRP i can see FM receiver Example but for FM there is not any FM transmit example? why? i even created FM example with FM-Broadcast modulator block with mono and stereo but both of them hasn't any good response only noise sound? why FM TX doesn't work For USRP in matlab simulink ???

Answer 1

[stack programer]

finally i saw this example FRS/GMRS Transmitter Using USRP® Hardware that using FM modulators... snapshot usrp example

thank you