MA520.A.BC.008 Datasheet, PDF (7/23 Pages) Taoglas antenna solutions – Low Profile and Vandal Proof

4. Antenna Parameters
4.1 Return Loss
0
Return Loss (dB)
-5
-10
-15
-20
-25
-30
-35
-40
1 meter
-45
2 meters
5 meters
-50
2.32.42.5 2.62.72.82.9 3 3.13.2 3.33.43.53.63.73.83.9 4 4.14.24.34.44.54.64.74.84.9 5 5.1 5.25.35.45.55.65.75.85.9 6
Frequency (MHz)
Figure 5. Return loss of MA520 2.4/5 GHz Antenna on 60*60cm metal plate.
4.2 Efficiency
60
Efficiency (%)
50
40
30
0.3 meters
20
1.0 meter
2.0 meter
10
3.0 meter
5.0 meter
0
800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200
Frequency (MHz)
Figure 6. Efficiency of MA520 Cellular Antenna in free space.
SPE-13-8-071/D/AS | ^{page 7 of 23}
MA.520.C.B208111.C208151