27
Conversion table:
Return Loss Reflection VSWR
In dB Coefficient, r
1
0.891
17.4
2
0.794
8.72
3
0.707
5.85
4
0.631
4.42
5
0.562
3.57
6
0.501
3.01
7
0.447
2.61
8
0.398
2.32
9
0.355
2.10
10
0.316
1.92
12
0.251
1.67
14
0.199
1.50
16
0.158
1.38
18
0.126
1.29
20
0.100
1.22
25
0.056
1.12
30
0.032
1.07
35
0.018
1.04
40
0.010
1.02
Abbreviations:
SWR, VSWR
(Voltage) Standing Wave Ratio
RF
Radio Frequency
MHz
Mega Hertz
PLL
Phase Locked Loop
USB
Universal Serial Bus
RS232
EIA Serial Interface
SMPS
Switched Mode Power Supply
GSM
Global System for Mobile
dBm
deciBell referenced to 1 milli Watt
dBd
deciBell referenced to half wave dipole
ppm
parts per million
LCD
Liquid Crystal Display
AC
Alternating Current
NiMH
Nickel Metal Hydride