XPLR-AOA-3 - User guide
UBX-22006906 - R07 EVB-ANT-1 Page 18 of 46
C1-Public
The RF signal can be connected to the antenna board through the onboard NINA-B4 U.FL connector,
with control signals, as shown in Figure 16.
Figure 16: NINA-B4 connector to custom antenna board
4.4 UART connections to board
EVB-ANT-1 supports a quad-channel UART interface that connects to:
• MCU
• NINA-B411 module hosted on the ANT-B family
• onboard NINA-B411 module hosted on EVK-ANT-B1
Figure 17: UART connections over USB
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