TelephoneStuff.com Aiphone High Powered Intercom System with Expanded Capacity AP-10MS

High Powered Intercom System with Expanded Capacity. Features: - Provides high powered two-way communication with up to 50 remote locations - One or two masters can be used, and a variety of remote stations are available - Choose from standard sub stations, horn speakers, vandal proof sub stations, or two call sub stations - Expand a 10-call master with a 10, 20, or 40-call add-on selector - Expands to 20, 30, or 50 stations - Two master stations, with master-to-master communication - 10 watts of output power to remote station - Call tone and LED to indicate call from remote - Two-way communication - Hands free communication at remote - Seperate transmit and receive volume controls - Applications include parking garages or lots, automotive service centers, warehouses, manufacturing facilities, marinas and high noise areas - NOTE: Add-on selectors connect to AP-10MS only, they cannot be connected to standard AP-5M or AP-10M.