SPE-11-8-058/C/SS | page 7 of 9
3. Antenna Characteristics
3.4 Return Loss
GSA.8821 Return Loss in Free Space and adhered to metal.
The oscillation introduced by the 3m cable is smoothed with a factor of 1%.
0
-4
-8
-12
-16
-20
-24
-28
-32
-36
-40
0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 (GHz)
free space
attach to metal
GSM operating bands