KAYBE RG59 (FL707) Dual Shielded Cable with High-Grade PVC, 2 Cores of 18AWG, and Twin Steel Messengers is specifically designed for elevator surveillance and communication systems. Its dual shielding ensures interference-free video transmission, while the 18AWG power cores provide stable power delivery. With twin steel messengers for enhanced strength and flexibility, it guarantees reliable performance in continuous-motion elevator environments.