Engineering Alternatives designs and manufactures a wide range of marine electronics interface products.

BUF-2A NMEA BUFFER

The BUF-2 is a NMEA data buffer that provides six isolated data outputs from any NMEA source.

BUF-3A NMEA BUFFER/SWITCH

The BUF-3A is similar to the BUF-2A with the addition of a switch to select between two different input sources.

SEI-2200 SPEED CONVERTER

The SEI-2200 is a speed converter and display.  It will convert between 200 pulse per mile format from a speed log and NMEA speed from a GPS.

DT-1 NMEA SIMULATOR

The DT-1 Is a pocket sized NMEA simulator and testing device.