Vesper External Cellular Antenna 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 cellular range you can add this external antenna giving the antenna a clear view of the sky. The GPA680 comes with antenna, 5M cable (16’), and mounts.
*Please note the 5M antenna cable can not be extended.