The RockBLOCK Plus allows you to send and receive short messages from anywhere on Earth with a clear view of the sky. It works far beyond the reach of WiFi and GSM networks.
It is a waterproof and ruggedized version of the RockBLOCK Naked product, with 9-30v power input and RS-232 data link.
Compatible with Windows, Mac and Linux computers (including Raspberry Pi), and many other platforms with serial or USB ports.
Short Burst Data Service Plans