MTCMR-H4-P1-GB/IE Multi-Tech Systems, MTCMR-H4-P1-GB/IE Datasheet - Page 88

• Manufacturer Part Number: MTCMR-H4-P1-GB/IE
• Description: MODEM CELLULAR QUAD GPRS HSPA
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-H4-P1-GB/IE

• Function: Transceiver, HSPA, Modem
• Modulation Or Protocol: GPRS, GSM, EDGE
• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Data Rate - Maximum: 7.2 Mbps
• Features: UK Power Cord
• Voltage - Supply: 9 V ~ 32 V, USB
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 881-1122

+CGATT GPRS Attach or Detach
+CGCLASS GPRS Mobile Station Class
High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A)
Description:
Syntax:
Values:
Parameter Storage: None.
Examples:
Description:
Syntax:
Values:
Parameter Storage: <class> is stored in EEPROM without using AT&W.
Examples:
This command is used to attach the modem to, or detach the modem from, the GPRS
service. After the command has completed, the modem remains in V.25ter command state.
If the modem is already in the requested state, the command is ignored and the OK
response is returned.
Any active PDP contexts will be automatically deactivated when the attachment state
changes to detached.
<state>
The set command is used to set the modem to operate according to the specified GPRS
mobile class.
<class>
Command
Action Command:
AT+CGATT=<state>
Read Command:
AT+CGATT?
Test Command:
AT+CGATT=?
Command
Action Command:
AT+CGCLASS=<class>
Read Command:
AT+CGCLASS?
Test Command:
AT+CGCLASS=?
Command
AT+CGATT=1
AT+CGATT?
AT+CGATT=?
Command
AT+CGCLASS=?
AT+CGCLASS=”CC”
Note: Enter GMS mode
AT+CGCLASS?
0
1
2
Detached
Attached
Combined detach (GPRS and GSM detach in the same network request)
State of GPRS Attachment
GPRS Mobile Class (in descending order of functionality)
B
CG
CC
Class B
Class C in GPRS only mode
Class C in circuit switched only mode (lowest)
Responses
OK
+CGATT: <state>
OK
+CGATT: (list of supported <state>s)
OK
+CGATT: 1
Responses
OK
OK
+CGATT: (0-2)
OK
Responses
OK
+CGCLASS: <class>
OK
+CGCLASS: (list of supported <class>s)
Responses
+CGCLASS: (“CG”,”CC”,"B")
OK
OK
+CGCLASS: (“CC”)
OK
Chapter 3 – Supported GSM/WCDMA AT Commands
88