Qstarz BT-Q818XT 10Hz 66 Channel Bluetooth GPS Receiver

Qstarz BT-Q818XT 10Hz High Speed Bluetooth GPS Receiver (66 ch MTKII, Dual Interface USB/Bluetooth) Qstarz BT-Q818XT is more than just a Bluetooth GPS receiver? Yes, it is enhanced with outstanding 10Hz feature, which is excellent for high speed racing requirement. 3-level switch to easily switch to 10Hz high speed more or 1Hz normal speed mode.