MTCBA-C1-EN2-GP-N3 Multi-Tech Systems, MTCBA-C1-EN2-GP-N3 Datasheet - Page 46
![no-image](/images/no-image-200.jpg)
MTCBA-C1-EN2-GP-N3
Manufacturer Part Number
MTCBA-C1-EN2-GP-N3
Description
ROUTER WIRELESS DUAL CDMA
Manufacturer
Multi-Tech Systems
Series
MultiModem® rCellr
Datasheets
1.SF100-G.pdf
(4 pages)
2.MTCBA-C1-N16.pdf
(135 pages)
3.MTCMR-E1.pdf
(16 pages)
4.MTCMR-E1.pdf
(79 pages)
5.MTCMR-E1.pdf
(2 pages)
6.MTCMR-C1-N2.pdf
(2 pages)
Specifications of MTCBA-C1-EN2-GP-N3
Function
Transceiver, CDMA, Router
Modulation Or Protocol
CDMA2000
Frequency
800MHz, 1.9GHz, 1575.42MHz
Applications
Verizon™ Networks (USA)
Interface
RJ-45, RS-232
Sensitivity
-161dB
Voltage - Supply
9 V ~ 32 V
Package / Case
Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
881-1063
- SF100-G PDF datasheet
- MTCBA-C1-N16 PDF datasheet #2
- MTCMR-E1 PDF datasheet #3
- MTCMR-E1 PDF datasheet #4
- MTCMR-E1 PDF datasheet #5
- MTCMR-C1-N2 PDF datasheet #6
- Current page: 46 of 135
- Download datasheet (549Kb)
Set Rm Interface Protocol +CRM
Description:
Syntax:
Values:
Signal Quality +CSQ
Description:
Syntax:
Values:
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
The numeric parameter is used to set the Rm interface protocol. The Rm interface protocol value
is affected by the current $QCMIP setting. The Rm interface protocol can be set by the +CRM
command only if $QCMIP is set to zero (Mobile IP disabled; Single IP only).
Command syntax: AT+CRM=<val>
<val>
Note: The values 3 and 4 are currently not supported.
This command is used to ascertain the received signal strength indication (<rssi>) and the
channel frame error rate (<fer>). The algorithm used to calculate the RSSI is defined in ETSI TS
127.007.
The channel frame error rate is a function of the percentage of bad received frames in the total
number of received frames since the device was reset. The channel frame error rate is only valid
when the device is on a call.
Command syntax: AT+CSQ
<rssi>
<fer>
Command
AT+CRM?
Note: Display the current setting.
AT+CRM=?
Note: Display the range of setting.
AT+CRM=1
Note: Set to 1.
Command
AT+CSQ
AT+CSQ?
0
1
2
0-31
99
0-7
99
The default value for the +CRM parameter will be 0 if supported by the DCE.
Asynchronous Data
Packet data service, Relay Layer Rm interface
Packet data service, Network Layer Rm interface, PPP
Valid value ranges. Signal strength can be computed using: dBm = 2(RSSI) - 113
0 =
1 =
2 - 30 =
31 =
Represents an unknown signal quality.
Valid value ranges.
0 - <0.01%
1 - 0.01 to < 0.1%
2 - 0.1 to < 0.5%
3 - 0.5 to < 1.0%
4 - 1.0 to < 2.0%
5 - 2.0 to < 4.0%
6 - 4.0 to < 8.0%
7 - >= 8.0%
<FER> is not known or is not detectable.
Possible Responses
+CSQ: <rssi>,<fer>
OK
Note: <rssi> and <fer> as defined above
+CSQ: <rssi>,<fer>
OK
-113 dBm or less
-109 to -53 dBm where one rssi step = 2 dBm.
-51 dBm or greater.
-111 dbm
Possible Responses
+CRM: 0
OK
Note: Command is valid
+CRM: (0-2)
OK
Note: Command is valid
OK
Note: Command is valid
Chapter 10 – Network Service Commands
46
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