Sensor-1 GPS Display, that shows the MPH is an OEM sensor for use in farming and electronics applications that require a small, highly accurate GPS receiver.  It converts the GPS NMEA string to a radar pulse that is used

Monitors:

• John Deere CT200,CT250, CT300, CT350
• Dickey-john PM3000, PM300,PM400, PM500 
• Most other Population Monitor
• X is the Type of Connector
• Y is the Update per Seconds
• Wire Length is 13 Feet