SKYRC GSM-015 GNSS GPS Speed Mete High Precision GPS Speed Meter for RC Drones 1.Measure Top Speed, Average Speed, and Top Altitude; 2.Concurrent reception of GPS amp; GLONASS; 3.GNSS Coordinator; 4.Update frequency up to 10Hz; 5.Built-in 1M flash (recording time: 2 hours); 6.UTC timestamp logged for each track point; 7.Built-in rechargeable, LiPo battery 200mAh (Operating time: 150 minutes); 8.Switch between Metric and Imperial system of Measurement; 9.GNSS LOGGER software for device management and data logging on Bing Maps; 10.Firmware upgradeable. SPECIFICATIONS Concurrent reception of GPS amp; GLONASS Receiver: L1, 1575.42 MHZ Update frequency: 10 Hz. Antenna type: Built-in Satellite signal reception sensitivity: -167dBm Dimensions: 65.7X39.6X20.8mm Weight: 45g Operating temperature: 0℃ to 40℃ Storage temperature: -10℃ to 70℃ Operating humidety: 5% to 90% #SKYRC #GSM-015 #GNSS #GPS #Speed #Mete #High #Precision GPS #Speed #Meter for #RC #Drones