Qstarz LT-8000GT 25Hz GNSS Lap Timer
Qstarz BL-1000GT 10HZ Racing Recorder (GPS/GNSS, Bluetooth BLE 4.0, IOS / Android APPs & PC Software Included)
Columbus V-1000 GPS location, Barometric Pressure, Altitude, Speed & Temperature Data Logger
Canmore GP-102+ G-PORTER GPS Data Logger