
Sarantel LTD
SL1300 Soldering Guidelines v2
Page 3
3. The antenna pins are aligned with the pads on the PCB.
Antenna to PCB
Gap 1.5mm
Ensure the pcb pads are lightly tinned.
4. The outer ground pins are soldered in to place first.
5. Finally, the inner signal pin is soldered in to place.
Because the signal pin is not on a level plane with the ground pins it tends to sit
slightly proud of the signal pad. If you push it down towards the pad during soldering
it can cause failure at the bga end.
Final Soldered Joints