User's Manual

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design Confidential / Released 83 / 94
7.2. Recommended Footprint
Keepout area
4.80
4.80
4.80
4.80
7.80
15.60
1.90
3.85
24.70
1.80
1.90
1.30
3.20 3.40
3.20 3.40 3.20
3.00
0.80
32.0
3.40
2.50
1.00
1.80
0.50
0.50
2.80
0.50
0.50
3.40
3.45
3.00
2.00
1.10
1.10
2.00
2.00
3.50
Figure42: Recommended Footprint (Top View)
1. The keepout area should not be designed.
2. For easy maintenance of the module, please keep about 3mm between the module and other
components in thehost PCB.
NOTES