Radio design
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
WM_PRJ_Q24NG_PTS_002-001 June
2006
Note: For the assembly of RF cable on the Module see Wavecom
recommendation for manual lead free soldering in section 6.3.
3. Antenna cable preparation is shown in Figure 27.
1,8
1,0
2,5
φ
1,37
φ
0,84
φ
0,305
Solder the core of
the coaxial cable
Solder the shielding for
ground contact and
mechanical fixing
Figure 27: Antenna cable preparation (drawing not to scale)
Note:
•
The Wireless CPU Q24NG sub-series does not include any antenna
switch for a car kit but this function can be implemented externally
and it can be driven using a GPIO.
•
0.5 dB can be considered as a maximum value for loss between the
module and an external connector.