Home Company Profile Products Dealer Support Customer Support Send E-Mail EM401 Click on image to enlarge EM401 GPS Engine Board with Active Antenna GlobalSat's EM401 is the best choice for superior GPS applications: The GPS engine board is ideal for OEM/ODM System integration. With high reliability and accuracy, the engine board is a superior GPS module for enabling value-added function of GPS. Includes: None   Feature: 1. Within SiRF Star II/LP Low Power and high performance 12 channels GPS chipset. 2. Build-in active Antenna. 3. SingleSat updates in reduced visibility. 4. Superior urban canyon performance. 5. FoliageLock for weak signal tracking. 6. Build-in optional SuperCap to reserve system data for rapid satellite acquisition. 7. Support standard NMEA 0183 and SiRF binary protocol. 8. Real-time Differential correction by WAAS enable. 9. Advanced Trickle Power mode for power saving. 10. Serial port, output Level on TTL or RS-232 Level. Specifications: Output Messages NMEA0183 V2.2 protocol, and supports command: GGA,GSA,GSV,RMC,GLL,VTG Hot Start 8 sec.,average Warm start 38 sec.,average Cold Start 45 sec., average Acceleration Limit < 4g Altitude Limit 18,000m(60000 feet)Max Re-acquisition 100ms Velocity Limit 515meters/sec(1000 knots)Max Jerk Limit 20 m/sec**3 Horizontal Accuracy 15m 2d RMS without SA   5m 2d RMS WAAS enabled Velocity Accuracy 0.1m/sec 95%(SA off ) Velocity Accuracy 0.1m/sec 95%(SA off ) Datum WGS84 Dimension 41mm* 41mm* 13mm Power consumption 80mA typical, trickle power mode 27mA Storage Temperature -40°C~85°C Operation Temperature -40°C~80°C Humidity Up to 95% non-Condensing