Reference Manual
Table Of Contents
- Important Notice
- Safety and Hazards
- Limitation of Liability
- Patents
- Copyright
- Trademarks
- Revision History
- 1: About This Guide
- 2: AT Password Commands
- 3: Modem Status, Customization, and Reset Commands
- 4: Mobile IP Commands
- 5: SIM Commands
- 6: OMA-DM Commands
- 7: Supported GSM / WCDMA AT Commands
- 8: HSDPA / HSUPA Categories
- 9: Band Definitions
- 10: ASCII Table
- Index (AT commands)
- Index

AirCard 77Xs/34xU AT Command Reference
38 Proprietary and Confidential 4114487
+DR V42bis data compression report
+DS V42bis data compression
+GCAP Request complete TA capabilities list
+GMI Request manufacturer identification
+GMM Request TA model identification
+GMR Request TA revision identification
+GOI Request global object identification
+GSN Request TA serial number identification
Note: Returns 15-digit IMEI. To convert to the 14-digit MEID, drop
the last digit.
+ICF Set TE-TA control character framing
+IFC Set TE-TA local data flow control
+ILRR Set TE-TA local rate reporting mode
+IPR Set fixed local rate
A Answer incoming call
A/ Re-issues last AT command given
D Dial
D><MEM><N> Originate call to phone number in memory <MEM>
D><N> Originate call to phone number in current memory
D><STR> Originate call to phone number in memory which corresponds to
alphanumeric field <STR>
DL Redial last telephone number used
E Set command echo mode
(Default = E1—Echo on)
H Disconnect existing connections
I Display product identification information
L Set monitor speaker loudness
M Set monitor speaker mode
O Switch from command mode to data mode
P Select pulse dialing
Q Set Result code presentation mode
(Default = Q1—Return codes on)
Table 7-1: Supported ITU-T Recommendation V.250 AT commands (Continued)
Command Description Supported
=Yes; =No










