Frequency:L1, 1575.42MHz C/A Code: 1.023MHz chip rate Channel: 16 channels all in view Tracking Sensitivity: -147dBm Power:DC 3.6 ~ 5.5V, 35mA typ. Internal Back-up battery:3.0V, 3.0mAh, Lithium Operating Temperature:-40°C ~ +85°C Storage Temperature:-55°C ~ +85°C Cold Start :<45 sec, 50% Warm Start:<38 sec, 50% Hot Start: <10 sec, 50% Position : 3m CEP (50%), 7m (90%) Velocity: 0.1m/sec, without SA GPS Protocol:NMEA-0183 (V2.20) —GGA,GSA, GSV, RMC