Multi-Tech Systems MMCModem GPRS (MTMMC-G) User Manual
Page 25
Chapter 5 – Call Control Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)
25
The application sends the following:
AT+VGR=
Controller 1
for transmit gain
Controller 1
AT+VGT=
Controller 2
for transmit gain
Controller 2
0 to 15
+6 db
0 to 31
+30 db
0
+0 db
16 to 31
+4 db
32 to 63
+33 db
1
+0,5 db
32 to 47
+2 db
64 to 95
+36 db
2
+1 db
48 to 63
+0 db
96 to 127
+39 db
3
+1,5 db
64 to 79
-2 db
128 to 159
+42 db
…
…
80 to 95
-4 db
160 to 191
+45 db
19
+9,5 db
96 to 111
-6 db
192 to 223
+48 db
20
+10 db
112 to 127
-8 db
224 to 255
+51 db
21
+10.5 db
128 to 143
-10 db
22
+11 db
144 to 159
-12 db
23
+11.5 db
160 to 175
-14 db
…
176 to 191
-16 db
58
+29 db
192 to 207
-18 db
59
+29.5 db
208 to 223
-20 db
60
+30 db
224 to 255
-22 db
61
+30,5 db
62 +31
db
… …
101
+50,5
db
102 to 127
+51 db
128 to 243
-6,5 db
244
-6
db
245
-5,5
db
246
-5
db
…
…
255
-0,5
db
The gain values listed here are relative, for absolute (electrical) values please refer to the specific hardware
documentation of the module used in the application.