How waterproof is the USG-2?

The internal electronics of the USG-2 are potted and sealed to provide a high level of water/ingress protection. The high quality, shielded USB lead included with the USG-2 also provides a similar, high level of water protection when mated with the high retention USB receptacle.

The pluggable screwless connector meets all requirements in accordance with EN 60068-2-11:
https://webstore.iec.ch/publication/504

If the device is going to be used in an environment where it is going to be subjected to direct contact with water splashes etc. then it is recommended as a preventative measure that silicone grease (or dielectric grease) is used.

For more information on NMEA 0183 and how it works, please download our free guide to NMEA 0183 networking here: https://actisense.com/everything-to-know-about-nmea-0183-guide/