GSM/GPRS/NB-IoT Module Series
BC68&M66 Compatible Design
BC68&M66_Compatible_Design 25 / 31
5.2. Recommended Stencil Design
The thickness of PCB is different. In order to ensure the module soldering quality, the thickness of stencil
is recommended to be 0.2mm for M66 and 0.18mm for BC68. For more details, please refer to
document
[5]
.
The recommended stencil design for BC68 is shown as below.
Figure 17: Recommended Stencil Design for BC68 (Unit: mm)