... 1. Cheap item 2. USB GPS Receiver XC-GD75 1. Frequency:L1, 1575.42 MHz2. Tracks up to ... < 33 seconds,Warm Start< 29 seconds, Hot Start< 2 seconds, 9. Interface USB connectorBaud Ratedefault 4800 bps 10. Environmental Characteristics Operation ... temperature: -10 ~ +70.Storage temperature: -40 ~85 USB GPS Receiver XC-GD75