MTCBA-C1-N16 Multi-Tech Systems, MTCBA-C1-N16 Datasheet - Page 81

• 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

Microphone Gain +VGT
Description:
Syntax:
Values:
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
If no argument is supplied to the command, the default value is assumed. The configuration is saved
immediately. See the Audio Overview section for more information.
This command sets the voice gain in the transmit direction (microphone gain) of the current audio
path.
Command syntax: AT+VGT=<MicGain>
<Gain>
Command
AT+VGT
AT+VGT=2
AT+VGT?
Note: Interrogate value
AT+VGT=?
Note: Test command
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
-84db
-80dB
-76dB
-72dB
-68dB
-64dB
-60dB
-56dB
-52dB
-48dB
-44dB
-40dB
-36dB
-32dB
-28dB
-24dB
-20dB
-16dB
-12dB
-8dB
-4dB (default)
0dB
+4dB
+8dB
+12dB
Possible Responses
OK
Note: Sets default value of 20
OK
Note: Command valid
+VGT: 2
OK
Note: Current value
+VGT : (0-24)
OK
Note: Possible values
Chapter 15 – Audio Commands
81