EM-406a
Specifications are subject to be changed without notice.
Page 2 of 13
Version 1.4.1
1. Product Information
Product Part I.D.
EM-406a
Product Description
The EM-406a 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-406a features an integrated patch
antenna for complete implementation.
Product Features
9
SiRF Star III high performance GPS chipset
9
Very high sensitivity (Tracking Sensitivity: -159dBm)
9
Extremely fast TTFF (Time To First Fix) at low signal levels
9
Supports the NMEA 0183 data protocol
9
Built-in SuperCap to maintain system data for rapid satellite acquisition
9
Built-in patch antenna
9
Foliage Lock for weak signal tracking
9
Compact in size
9
All-in-view 20-channel parallel processing
9
Snap Lock 100ms re-acquisition time
9
Superior urban canyon performance
9
WAAS / EGNOS /MSAS support
9
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
Output Message: NMEA 0183 GGA, GSA,
GSV, RMC (VTG, GLL optional)
Channels 20
