User's Manual

UM-B-036
DA14580 Antenna module for QFN48 package
User manual
Revision 2.0
10
-
Dec
-
2014
CFR0012-00 Rev 1 16 of 34 © 2014
Dialog Semiconductor
Figure 10: Antenna VSWR measurements
4.12.1.1 Radiation diagrams
Gain calculations were performed. The maximum gain was measured at 2.225 dBi. See Table 7.
Table 7: Far field antenna parameters @ 2.44 GHz
Parameter Value
Frequency 2.44 GHz
Radiation efficiency -1.882 dB
Total efficiency -6.662 dB
Directivity 2.225 dBi
Figure 11: Far field antenna directivity @ 2.44 GHz