Usually found on older devices or consumer GPS units. It uses:
Sentence Formatter: A three-character code defining the data type (e.g., RMC, GGA, VTG). nmea 0183 protocol pdf
| Feature | NMEA 0183 | NMEA 2000 | | :--- | :--- | :--- | | | Serial (RS-232/422) | CAN Bus (2-wire network) | | Speed | 4800 baud (Slow) | 250 kbps (Fast) | | Topology | Point-to-Point (One Talker, One Listener) | Multi-drop (Many devices on one cable) | | Data Format | ASCII Text (Human Readable) | Binary (Requires parsing software) | | Cost | Low (Easy to implement) | High (Requires licensing & controllers) | Usually found on older devices or consumer GPS units