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Samsung N105 Samsung N240 Samsung N400

Power Variation Tests

Two measurements were made on each phone:

A. The change in transimitted field (V/m) for each step change in transmitted power was recorded

B. The range of receive power for each step in the phones "power bar" on the display as measured.

Measurements were made of the following models:

A. Phone #1
B. Phone #2
C. Phone #3

 

Model: Phone #1
Transmit Power Variation
Power Step

Change from Next Higher Step
(dB)
0
0
1
0
2
0
3
2.5
4
4.2
5
4.7
6
3.9
7
2.4
5
4
3
0
0
1
0.9
2
1.8
3
1.8
4
2.5
5
2.2
6
1.6
7
1.2
8
1.0
9
0.6
10
0.4
11
0.2
12
0.2
13
0.1
14
0.1
Range for Receive Power Indicator
Bars

Range
(dBm)

5
4
3
6
> 5 bar maximum
5
4
4
5
3
Dropped call
2
1
0
No significant hysteresis. Data File (Excel Worksheet)
Model: Phone #2
Transmit Power Variation
Power Step

Change from Next Higher Step
(dB)
0
0
1
0
2
0
3
2.6
4
4.3
5
4.4
6
3.3
7
2.3
Range for Receive Power Indicator
Bars

Range
(dBm)
5
4
3
4
> 3 Bar Maximum
3
11
2
20 dB then lost connection
1
0
        Approximately 10 dB of hysteresis. Data File (Excel Worksheet)
Model: Phone #3
Transmit Power Variation
Power Step

Change from Next Higher Step
(dB)
0
0
1
0
2
0
3
2.6
4
4.0
5
5.0
6
2.7
7
1.5
Range for Receive Power Indicator
Bars

Range
(dBm)
5
4
3
5
> 4 bar maximum
4
11
3
14
2
Dropped call
1
0
Data File (Excel Worksheet)
TEM Consulting, LP

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