Columbus P-1 Professional GPS Data Logger
i-gotU GT-600 Travel & Sports GPS Data Logger
GNSS200L Industrial high sensitivity usb GNSS Receiver (72 channels; GPS+GLONASS+GALILEO Tri-System ; IP67 waterproof)
Columbus V-900 Bluetooth GPS Data Logger (Mark II)
Qstarz LT-6000S-GNSS GPS Lap Timer
