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The following schematic illustrates the pinout of the GPIO connector:
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WiFi
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& Antennas
The XD235 and XD1035 have two SMA connectors to allow easy installation of external WiFi antennas. models come equipped with an M.2 connector slot and two SMT-mounted SMA connectors. The M.2 slot supports M.2 PCIe cards for WiFi and Bluetooth connectivity (sold separately), while the SMA connectors facilitate the connection of external antennas.