BN-180 GPS Module with CP2102 Serial module, Beitian GPS module, GPS GLONASS GNSS module TTL Level, No flash, No compass, NEMA-0183 Protocol, GPS Receiver, passive antenna, usb to ttl, for pixhawk APM
Active GNSS antenna | Hackaday.io
Comparing a GPS Patch vs a DIY Patch Antenna on L-Band with the MIX4ALL
DIY your GPS tracker – F1ATB
DY-220TTL GPS Module
Amazon.com: DY-180TTL GPS Module with Passive Antenna for Arduino Raspberry Pi Pixhawk Aircraft CC3D F3 Flight Controller : Electronics