Renesas Synergy™ Platform
Application Example for Cloud Connectivity (AE-CLOUD2)
R12UM0033EU0100 Rev.1.00
Page 44 of 48
Sep 5, 2018
The cellular antenna mechanical dimensions are shown as follows.
Figure 27 Mechanical Dimensions of the Cellular Antenna
6.7 GPS Antenna
The GPS antenna for Cellular Arduino Shield is shown as follows.
Figure 28 Cellular Arduino Shield GPS Antenna
Antenna specifications are listed in the following table.
Table 20 Antenna Specifications
Item
Specifications
Post
Environmental
Tolerance
Range of Receiving Frequency
1575.42 ± 1.1
± 2.5
Center Frequency (MHz) (w/ 30mm
2
GND plane)
1575.42
± 3.0
Bandwidth (MHz) (Return Loss ≤
-10dB)
≥10
± 0.5
VSWR (in Center Frequency)
≤2.0
± 0.5
Gain (Zenith) (dBi Typ) (w/ 70mm
2
GND Plane)
4.5
± 0.5
Axial Ratio (dB) (w/ 70mm
2
GND Plane)
3.0
± 0.2
Polarization
Right-Handed Circular
-
Impedance (Ω)
50
-
Frequency Temperature Coefficient (ppm/ºC)
0 ± 10
-
