GPS Features

• -156dBm tracking sensitivity (-141dBm for cold acquisition)
• 1.0m accuracy for CEP50 (1.2m for CEP95)
• Less than 4 seconds to “hot” start up (40sec for cold start)
• Current consumption : 53 ~ 60mA tracking (max. 70mA. at 3.3V)
• NMEA 0183 compatible ($GPRMC etc.)
• The last known good position data is sent while GPS signal is lost (marked “invalid”)
• Temperature range : -30C ~ +60C

HM-175GPS Features 

• D-Star digital voice slow data compatible (simultaneous DV+GPS data TX)
• LED indicator + GPS engine on/off switch
• Blinking : Position fixed
• Illuminated : Searching for signals