MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 96
MTCMR-G-F4
Manufacturer Part Number
MTCMR-G-F4
Description
MODEM GPRS QUAD BAND GSM GLOBAL
Manufacturer
Multi-Tech Systems
Series
MultiModem® iCellr
Datasheets
1.MTCMR-G-F4-NAM.pdf
(2 pages)
2.MTCMR-G-F4.pdf
(8 pages)
3.MTCMR-G-F4.pdf
(28 pages)
4.MTCMR-G-F4.pdf
(203 pages)
Specifications of MTCMR-G-F4
Frequency
850MHz, 900MHz, 1.8GHz, 1.9GHz
Applications
General Purpose
Interface
RS-232, USB
Function
Transceiver, Modem
Data Rate - Maximum
115.2kbps
Modulation Or Protocol
GSM, GPRS
Voltage - Supply
9 V ~ 32 V
Package / Case
Module with Case
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Power - Output
-
Sensitivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
881-1151
MTCMR-G-F4
MTCMR-G-F4
- MTCMR-G-F4-NAM PDF datasheet
- MTCMR-G-F4 PDF datasheet #2
- MTCMR-G-F4 PDF datasheet #3
- MTCMR-G-F4 PDF datasheet #4
- Current page: 96 of 203
- Download datasheet (884Kb)
Radio Link Protocol Parameters +CRLP
Other Radio Link Parameters +DOPT
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Description:
Values:
Syntax:
This command changes the radio link protocol parameters used for non transparent data transmission.
Value:
<iws>
<mws>
<T1>
<N2>
<ver>
Command syntax: AT+CRLP=<iws>,<mws>,<T1>,<N2>, <ver>
This command modifies some supplementary radio link protocol parameters.
<reset_allowed>
<dtx_allowed>
Command syntax: AT+DOPT=<reset_allowed>,<dtx_allowed>
Command
AT+DOPT=1
Note: Set new parameters (2
AT+DOPT+?
Note: Test command
AT+DOPT=1,1
Note: Set new parameters
AT+DOPT?
Note: Current values
Command
AT+CRLP=?
Note: Test command
AT+CRLP=?
Note: Test command
AT+CRLP=61,61,48,6,0
Note: Set new parameters
AT+CRLP?
Note: Current values
0
1
0
1
0
1
Data communication is hung up in case of bad radio link.
Default. Data communication continues in case of bad radio link (possible loss of data)
Normal mode
Default. Economic battery mode (not supported by all networks)
Range:
0-61
0-61
40-255
1-255
0-1
Description:
Down window size, (default is 61)
Up window size, (default is 61)
Acknowledgement timer in units of 10ms, (default is 48)
Retransmission attempts, (default is 6)
Version number
V42bis is not supported
V42bis is supported
nd
Possible responses
+CRLP: (0-61),(0-61),(40-255),(1,255),(0)
OK
Note: V42bis not supported
+CRLP: (0-61),(0-61),(40-255),(1,255),(0,1)
OK
Note: V42bis supported
OK
Note: Command valid
AT+CRLP: 61,61,48,6,0
Note: Command valid
value is the default)
Possible responses
OK
Note: Command valid
(0,1),(0,1)
OK
Note: DTX is supported
OK
Note: Command valid
1,1
OK
Note: Command valid
Chapter 11 – Data Commands
96
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