SPWF04SA, SPWF04SC

Mechanical dimensions

DocID029757 Rev 5

17/27

8

Mechanical dimensions

In order to meet environmental requirements, ST offers these devices in different grades of

specifications, grade definitions and product status are available at: www.st.com.

Figure 7: Module dimensions

Note: An antenna area of 217 x 520 mils must be free of any ground metalization or traces

under the unit. The area extending away from the antenna should be free from metal on the

PCB and housing to meet expected performance levels. Pin 25 is the required paddle

ground and is not shown in this diagram.