Fibocom FM350-GL - MID-Mount Connection with Single-Sided Module; Top-Mount Connection with Single-Sided Module

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FM350-GL Hardware Guide Page 64 of 67
Mid-mount Connection with Single-Sided Module
Stack-up Mid-mount (In-line) single-sided module is shown in Figure 6-8. The maximum height of
components is 1.5mm.
Figure 6-8 Stack-up mid-mount single-sided module
Note：
2.4mm maximum above mother board
Suggest to cut the area of mother board under M.2 module
Top-mount Connection with Single-Sided Module
Stack-up top-mount single-sided module is shown in Figure 6-9. The maximum height of components is
1.5mm.
Figure 6-9 Stack-up top-mount single-sided module
Note：
2.75mm maximum above mother board
Full keep out area 30×42mm below module, which means don’t place any components and
routings below M.2 module
Add thermal pad between M.2 module and mother board for thermal dissipation.