Main purpose:

1. Receiver type: LI. C/A
2. Channel: recieve 12 channel at the same time
3. Heading update rate: 10Hz
4. Location precision: 0.35 degree
5. Maximum rotation rate: 25 degree / s
6. Start-up time: 60s
7. Heading lock time: 20s
8. GPS re-acquisition time: 1s
9. Output rate: 4800/9600/19200/38400
10. Dimension: 750*20*25mm
11. Weight: 3.5kg
12. Compass safe dstance: 1m
13. Water-proof: IP54
14. Working temperature: -20degree to 70degree
15. Humidity: lower tha 95%
16. Power suppl: 24VDC, 0.2A
17. Output: RS-422 RS-232, format is $HEHDT  $HEROT  $HESTU  NMEA0183