Hardware description
Figure 24: SIM card connector, eSIM, and selection switch
Note: The nano-SIM card is inserted with the electrical interface down in the SIM card holder (J3).
5.12 Additional nRF9160 interfaces
The nRF9160 supports a few dedicated interfaces.
Figure 25: SiP external interfaces
Coexistence pins
On the nRF9160 DK, there are three COEX pins enabling coexistence handling between multiple wireless
devices. These pins are routed to the nRF52840 for use when nRF52840 is used as a network processor.
These signals are also available on connector P1.
MAGPIO
The nRF9160 has an interface allowing the modem to control external circuitry through the MAGPIO pins.
On the nRF9160 DK, MAGPIO0 is used to enable the GPS LNA, while the remaining two MAGPIOs are not
in use in this DK. The user can access MAGPIO1 and MAGPIO2 through test points TP2 and TP3.
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