Columbus P-9 Race Precision GNSS Receiver for Professional Racing (25Hz Update Rate, Meter-Level Accuracy, Dual-Mode Bluetooth)
Qstarz BT-Q818XT 10Hz Bluetooth GPS Receiver
Qstarz BL-818GT 10Hz Bluetooth BLE GPS Racing Receiver (IOS and Android compatible)
Qstarz BL-1000GT 10HZ Racing Recorder (GPS/GNSS, Bluetooth BLE 4.0, IOS / Android APPs & PC Software Included)