MTCBA-C1-N16 Multi-Tech Systems, MTCBA-C1-N16 Datasheet - Page 47

• Manufacturer Part Number: MTCBA-C1-N16
• Description: MODEM ETHERNET
• Manufacturer: Multi-Tech Systems

Specifications of MTCBA-C1-N16

• Function: Transceiver, CDMA, Modem
• Modulation Or Protocol: CDMA2000
• Frequency: 800MHz, 1.9GHz
• Applications: Aeris Networks (USA)
• Interface: RS-232
• Data Rate - Maximum: 153.6 kbps
• Voltage - Supply: 9 V ~ 32 V
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4976016

Network Registration & Roaming +CREG
Description:
Syntax:
Values:
Persistence:
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
Signal Quality Unsolicited Response for +CSQ:
The Signal Quality (CSQ) unsolicited response is reported whenever the signal quality changes
by a predetermined threshold. See +CCED for enabling and disabling this result. This unsolicited
response may also be suppressed by using the +WUSLMSK command.
Response Syntax: +CSQ: <rssi>, <fer>
Values:
This command is used by the application to ascertain the registration and roaming status of the
product.
Command syntax: AT+CREG= <mode>
Response syntax: +CREG: <mode>, <stat>
<mode>
<stat>
The unsolicited response mode setting is not persistent unless written using the AT&W
command. AT&F resets the CREG mode to the default value.
Command
AT+CREG=0
Note: Disable network registration
unsolicited result code.
AT+CREG=1
Note: Enable network registration
unsolicited result code
AT+CREG?
AT+CREG=?
Note: Example of the unsolicited result
code. MS is searching for a base station.
0
1
0
1
2
4
5
Result Example
+CSQ: 31,99
Note: Signal quality is now -51 dBm or greater.
Frame error rate is unknown.
<rssi>
<fer>
Disable network registration unsolicited result code (default)
Enable network registration unsolicited code result code +CREG: <stat>
not registered; MS is not currently searching for a new operator
registered; home network
not registered; MS currently searching for a base station
unknown
registered; roaming
Received signal strength indication.
Frame error rate.
Possible Responses
+CREG: 0,1
OK
Note: Command valid
+CREG: 1,1
OK
Note: Command valid
+CREG: 1,5
+CREG: (0-1)
OK
Note: 0,1 <mode> values are supported
+CREG: 2
OK
Note: Unsolicited enabled, MS currently roaming.
Chapter 10 – Network Service Commands
47