USGlobalsat ET-312 - Manual (Page 2)

ET-312
The Specifications are subject to be changed without notice. Copyright © 2007, GlobalSat Technology.
Page 2 of 21
Version 1.4
1. Product Information
Product Name: ET-312
Product Description:
ET-312 is a compact, high performance, and low power consumption GPS engine board. It uses SiRF
Star III chipset which can track up to 20 satellites at a time and perform fast TTFF in weak signal
environments. ET-312 is suitable for the following applications:
‧
Automotive navigation
‧ Personal positioning
‧
Fleet management
‧ Mobile phone navigation
‧
Marine navigation
Product Features:
SiRF star III high performance GPS Chipset
Very high sensitivity (Tracking Sensitivity: -159 dBm)
Extremely fast TTFF (Time To First Fix) at low signal level
One serial ports
4Mb flash
Built-in LNA
Compact size (28mm * 20 mm * 2.9mm) suitable for space-sensitive application
One size component, easy to mount on another PCB board
Support NMEA 0183 and SiRF binary protocol
Product Specifications
GPS Receiver
Chipset SiRF GSC3f/LP
Frequency L1, 1575.42 MHz
Code C/A Code
Protocol NMEA 0183 v2.2
Default:GGA,GSA,GSV,RMC
Support:VTG,GLL,ZDA)
SiRF binary and NMEA Command
Available Baud Rate 4,800 to 57,600 bps adjustable