Spec Sheet Preview: The Alpha Communications® / Golmar EL632/GB2B Door Panel Video Module is used exclusively with the GB2 series systems. The EL632/GB2B is designed to perfectly fit into the Nexa series door panels (Aluminum and St. Steel/Inox versions). The EL632/GB2B has a 104° wide angle color camera, for a panoramic view, with white LEDs for low light conditions. The module is ADA compliant, with voice prompts and backlit symbols to assist hearing-impaired individuals.