When using the CELL_FACH you can choose the :
data type of the
time interval between the last preamble and the first DPCCH ( – Range: 18944 to 26348)
Number of Preamble (Range: 1 to 1022)
Monitor information on, , , and (Normalized power (NormPwr), IQ branch mapping (IQ), Channel code (ChCode), Spreading factor (SF))
for DPCCH/DPDCH and PRACH
...
For more, refer to W-CDMA (CELL_FACH).