AT Command Manual for Sierra MC87XX Module
Table Of Contents
- 1: About This Guide
- 2: AT Password Commands
- 3: Modem Status, Customization, and Reset Commands
- 4: Diagnostic Commands
- 5: Test Commands
- 6: Memory Management Commands
- 7: Voice Commands
- 8: GPS Commands
- 9: STK Commands
- Appendix A: Test Frequencies / Channel Lists
- Appendix B: HSDPA / HSUPA Categories
- Appendix C: ASCII Table
- Appendix D: Module Customization
MC87xx Extended AT Command Reference
80 2130616
Sample AT command
sequences
Turning on the TX in WCDMA mode
ThesequenceofATcommandsthatfollowsturnsthetrans‐
mitteronandadjuststheoffsets.
Table 5-3: Command sequence for setting WCDMA
offsets
Command Function
1. AT!ENTERCND=
“password”
Enters the password, providing
access to the necessary commands
2. AT!DAFTMACT Puts the modem into factory test
mode
3. AT!DASBAND=16 Sets the frequency band to
WCDMA 1900
4. AT!DASCHAN=9263 Sets the channel to 9263
5. AT!DAWSTXCW=0 Sets the waveform to WCDMA
6. AT!DASTXON Turns the WCDMA transceiver PA
on
7. AT!DAWSPARANGE=3 Sets the PA range state to the
maximum gain
8. AT!DASPDM=2,450 Offsets the Tx AGC adjust by 450
(You would typically run this
command repeatedly, adjusting the
offset until you obtain the desired
TX power.)
9. AT!DASPDM=4,35100 Offsets the tracking LO by 35100
(You would typically run this
command repeatedly, adjusting the
offset until you obtain the desired
frequency.)