| Characteristic | Nmea2Wifi | Nmea3Wifi | Nmea4Wifi | N2K0183 | Nme3Pro |
| Processor | Esp8266 | Esp32 | Esp32 | Esp32 | Esp32S3 |
| Number of Cores | 1 | 2 | 2 | 2 | 2 |
| Processor Clock (MHz) | 80 | 240 | 240 | 240 | 240 |
| Nmea 0183 Input Ports | 2 | 2 | 4 | 2 | 3 |
| N2K support | No | No | No | Yes | Yes |
| SeaTalk1 Input | Yes | Yes | Yes | No | Yes |
| SeaTalk1 Output | No | Yes | No | No | Yes |
| Pairing | Yes | Yes | Yes | Yes | No |
| USB Input/Output Port | Yes | Yes | Yes | Yes | Yes |
| Nmea 0183 Filtering | No | Yes | Yes | Yes | Yes |
| N2K Message Filtering | No | No | No | Yes | Yes |
| Nmea 0183 Output Port | 1 | 1 | 1 | 1 | 1 |
| Galvanic Isolated Output | No | No | No | No | Yes |
| Update without Cables | Yes | Yes | Yes | Yes | Yes |
| 38400 Baud Inputs | 1 | 2 | 2 | 2 | 3 |
| 9600 Baud Inputs | 1 | 2 | 4 | 2 | 3 |
| Languages | En | 6 | En | 6 | 6 |
| Output Baud of 115200 | Yes | Yes | Yes | Yes | Yes |
| Web Browser Setup | Yes | Yes | Yes | Yes | Yes |
| 0183/Wifi and Wifi/0183 | Yes | Yes | Yes | Yes | Yes |
| Creates Wifi Network | Yes | Yes | Yes | Yes | Yes |
| Connects to Existing Wifi | Yes | Yes | Yes | Yes | Yes |
| UDP and TCP protocols | Yes | Yes | Yes | Yes | Yes |
| TCP Ports | 1 | 1 | 1 | 1 | 2 |
| Opto-Isolated Inputs | Yes | Yes | Yes | Yes | Yes |
| Simulation Mode | Yes | Yes | Yes | Yes | Yes |
| Debug Mode | Yes | Yes | Yes | Yes | Yes |
| 12V or USB Power | Yes | Yes | Yes | Yes | Yes |
| Consumption (mA) | 70 | 90 | 90 | 80 | 80 |
| 30-Day Money Back | Yes | Yes | Yes | Yes | Yes |