You do not have to buy any of these devices to enjoy Galicaster. You can assemble your own HW, download Galicaster SW and use it for free (for non commercial use).
You can purchase these "official" Galicaster devices if you want a Galicaster-based lecture capture agent designed and assembled by the team developing and supporting Galicaster. At TELTEK we carefully select the best components based on performance and stability to assemble this Galicaster devices. Before delivery, we install the Galicaster SW and deeply test the unit to ensure a professional out-of-the-box experience in your lecture capture deployments.