4 x 11mm Standoffs with screws to attach to the Pi+
OpenCPN and SailGrib WR on Android devices with USB OTG
also take a look at the dAISy HAT which can also run standalone without a Raspberry Pi
Also check out the 2-channel dAISy 2+ with support for NMEA 0183 already built-in
Supplied with header kit for mounting to Raspberry Pi 4 and earlier boards and Raspberry Pi 5 with heatsink
uBLOX ZED-X20P Expansion for Raspberry Pi 4 x 11mm Standoffs withThe Uputronics uBLOX ZED X20P Expansion for Raspberry Pi provides a u blox X20 all band (L1 L2 L5 L6 L Band ) high precision GNSS module with quick no soldering required connection to all Raspberry Pi boards with the 2x20 header (the original Pi Model A B are not supported). Reciever Type: 672 channel u Blox X20 Engine GPS L1C A, L2C, L5 GAL E1, E5a, E6 BDS B1I, B1C, B2a, B3I QZSS L1C A, L1C B, L2C, L5, L6 NavIC L5 SBAS L1 Navigation Update Rate RTK :