Product information – USGlobalsat EM-408 User Manual
Page 2
EM-408
Specifications are subject to be changed without notice.
Page 2 of 14
Version 1.4.1
1. Product Information
Product Part I.D. EM-408
Product Description
The EM-408 GPS engine board is low cost but maintains high reliability and accuracy making it an
ideal choice for integration with OEM/ODM systems. The EM-408 features an integrated patch
antenna for complete implementation.
Product Features
SiRF Star III high performance GPS chipset
Very high sensitivity (Tracking Sensitivity: -159dBm)
Extremely fast TTFF (Time To First Fix) at low signal levels
Supports the NMEA 0183 data protocol
Built-in SuperCap to maintain system data for rapid satellite acquisition
Built-in patch antenna
Foliage Lock for weak signal tracking
Compact in size
All-in-view 20-channel parallel processing
Superior urban canyon performance
WAAS / EGNOS support
RoHS compliant
Product Specifications
GPS Receiver
Chipset
SiRF Star III/LP Single
Frequency
L1, 1575.42 MHz
Code
1.023 MHz chip rate
Protocol
Electrical Level: TTL level,
Output Voltage Level: 0V~2.85V
Baud Rate: 4800 bps ~ 57,600bps
(adjustable)
Output Message: NMEA 0183 GGA, GSA,
GSV, RMC (VTG, GLL optional)
Channels 20