9-18
G-Tek Corporation
Calibration
9
C
ALIBRATION
GSM dialer update signal strength every 15 sec that can be observed in PC application. GSM
Received Signal strength indicator (RSSI) is in dBm
Decibel-milliwatts. PC Application shows the
condition based on below table dBm values. Depending upon the area and service provider, excellent
condition can be acquired.
Table 3 Signal Strength Calibration
Sr.
No.
Value
RSSI dBm
Condition
And Bars
color in PC
Application
%;
100
times
1
2
-109
Marginal
0
2
3
-107
357
3
4
-105
714
4
5
-103
1071
5
6
-101
1428
6
7
-99
1785
7
8
-97
2142
8
9
-95
2499
9
10
-93
OK
2856
10
11
-91
3213
11
12
-89
3570
12
13
-87
3927
13
14
-85
4284
14
15
-83
Good
4641
15
16
-81
4998
16
17
-79
5355
17
18
-77
5712
18
19
-75
6069
19
20
-73
Excellent
6426
20
21
-71
6783
21
22
-69
7140
22
23
-67
7497
23
24
-65
7854
24
25
-63
8211
25
26
-61
8568
26
27
-59
8925
27
28
-57
9282
28
29
-55
9639
29
30
-53
9996
y = 2x - 113
R² = 1
-120
-100
-80
-60
-40
-20
0
0
10
20
30
40
RSSI dBm
