The AX-A are AX-AN are interior sub stations designed for use with the AX system. The AX-A and AX-AN sub stations are surface mount and will mount to a single gang box or can be set on a desk or table top.The sub stations with the N at the end of the model number include the PRIVACY feature, which prevents a master station from hearing audio from that sub location while the Privacy button is engaged. FEATURES Connected using Cat-5e wiring Hands-free communication when master station answers Constructed with sturdy ABS plastic Desk or wall mount Mounts directly to wall or 1-gang box AX-AN: Privacy feature blocks unwanted monitoring from master station SPECIFICATIONS Communication: Hands-free Material: ABS plastic Color: White Mounting: Surface mount directly to wall Wire Type: Cat-5e or 2-cond. Distance: 980′