External Cellular Antenna with 5M (16') Cable & Mounts for Cortex M1
Extend the range of the remote monitoring by adding an external cellular antenna. The M1 Cortex transponder/hub includes a built-in cellular antenna however to increase the cellular range you can add this external antenna giving the antenna a clear view of the sky. The GPA680 comes with an antenna, 5M (16') cable, and mounts.