
45 TREK-668/303 User Manual
Chapter 6 Setup
6.11 Peripheral Control
When you want to operate open /close on HW components, you may use this API to
set or read/get the status. On TREK-668, you may use this API to operate BT, GPS,
WWAN (3G), WLAN and CAN enable/disable. If you want to read hardware compo-
nent status, you may use this API to get the current status.
Figure 6.18 Peripheral Control test
6.12 Roaming Control
TREK-668 supports dual WWAN, user can use this API to control SIM card and
WWAN matching status.
Figure 6.19 Roaming Control test
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