Adafruit Ultimate GPS HAT for Raspberry Pi A+/B+/Pi 2/3/Pi 4 [Mini Kit] : ID 2324 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Arduino GPS Shield from Dexter Industries on Tindie
LOCUS Parser | Adafruit Ultimate GPS Logger Shield | Adafruit Learning System
Adafruit Industries Ultimate GPS HAT for Raspberry Pi - Mini Kit - Micro Center