Vesper External Cellular Antenna w/5M (16) Cable Mounts f/Cortex M1 [010-13266-20] Electrical | Wire Management The size of this model

The size of this model is about 8 inch x 8 inch in size

Rotating face

Box Dimensions: 14"H x 14"W x 23"L WT: 18

Owner upgradeable to 24 Volts DC with 8243

Fresh Water: 4

Vesper External Cellular Antenna w/5M (16) Cable Mounts f/Cortex M1 [010-13266-20] Electrical | Wire Management The size of this modelExternal 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.