5.3.2.2 Antenna Pattern Measurements
The measured normalized antenna patterns are shown in the following figures.
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
868.4 MHz, XY cut
Horizontal
Vertical
0°
at X axis
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
868.4 MHz, XZ cut
Horizontal
Vertical
0°
at Z axis
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
868.4 MHz, YZ cut
Horizontal
Vertical
0°
at Z axis
Figure 5.5. Normalized Antenna Pattern in the 868 MHz band
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
908.4 MHz, XY cut
Horizontal
Vertical
0°
at X axis
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
908.4 MHz, XZ cut
Horizontal
Vertical
0°
at Z axis
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
908.4 MHz, YZ cut
Horizontal
Vertical
0°
at Z axis
Figure 5.6. Normalized Antenna Pattern in the 908 MHz band
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
921.4 MHz, XY cut
Horizontal
Vertical
0°
at X axis
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
921.4 MHz, XZ cut
Horizontal
Vertical
0°
at Z axis
0°
45°
90°
135°
180°
225°
270°
315°
-35
-30
-25
-20
-15
-10
-5
0
Normalized Radiation Pattern [dB], BRD2603A,
921.4 MHz, YZ cut
Horizontal
Vertical
0°
at Z axis
Figure 5.7. Normalized Antenna Pattern in the 921 MHz band
5.4 EMC Compliance Recommendations
5.4.1 Recommendations for 868 MHz ETSI ETSI EN 300-200-1 Compliance
As shown in the previous section, the BRD2603A board is compliant with the emission limits of the ETSI ETSI EN 300-200-1 regulation
in the 868.4 MHz band with 14 dBm output power.
UG532: ZGM230S Dev Kit User's Guide
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