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.
![Vesper External Cellular Antenna w/5M (16) CableMounts f/Cortex M1 [010-13266-20]](https://www.hotcampzoneus.com/wp-content/uploads/2026/09/vesper-external-cellular-antenna-w-5m-16-cablemounts-f-cortex-m1-010-13266-20.webp)
![Digital Yacht CX4A Commercial AIS/VHF Antenna [CX4A]](https://www.hotcampzoneus.com/wp-content/uploads/2026/09/digital-yacht-cx4a-commercial-ais-vhf-antenna-cx4a.webp)
![Vesper Replacement External WiFi Antenna f/Cortex M1 [010-13266-30]](https://www.hotcampzoneus.com/wp-content/uploads/2026/09/vesper-replacement-external-wifi-antenna-f-cortex-m1-010-13266-30.webp)