ACR Electronics has launched what the company said is the world’s smallest and most simple satellite communication device, the ACR Bivy Stick two-way satellite messenger and app.

The ACR Bivy Stick, available for $349.95, is the first product launched following the ARC Electronics acquisition of Bivy in March.

Boaters use the device to send SMS messages, track and share location information, access GPS maps, view live weather forecasts or make a distress call. The 4.5-inch x 1.8-inch subscription-based device weighs just 100 grams and connects with a user’s smartphone.

The device can be used in conjunction with the full-featured ACR Bivy app, which identifies and collates the crowd-sourced details of the Bivy user community.