Hello Friends,

Are you interesting in GPS speed sensors for Speedometer & Tachograph ? 

Features:
1.High Accuracy only 0.2% deviation (mechanical speed sensor will be 3~5% deviation) 
2.Output two speed signals which are reverse
3.Pulse/Odometer Compensation when in Tunnel or under Bridge  

Contact me today and let's talk for more.

Cheers,

Jo