Teledex Diamond Lobby, Diamond Series – Analog Corded Phones, 1 Line, Black, Part# DIA650091 speco nvr External InterfaceNetwork Interface 1 RJ-45

External InterfaceNetwork Interface 1 RJ-45 10M/100M/1000M self-adaptive Ethernet InterfaceUSB Interface Rear panel：1 x USB2

1X (EAP-MD5/TLS/TTLS/PEAP)

It is a  fast and easy speaker to install in suspended ceilings

Overall Length: 9

it is designed to be used on copper or aluminum cable that does not exceed 500 kcmil (MCM) (240 mm2)

Teledex Diamond Lobby, Diamond Series – Analog Corded Phones, 1 Line, Black, Part# DIA650091 speco nvr External InterfaceNetwork Interface 1 RJ-45The Teledex Diamond Lobby is a part of the Diamond Series Analog Corded Phones with 1 Line, in Black color Features: Single and Two Line Telephone Integrated Speakerphone Hands free conversations* Guest Service Buttons Up to ten (10) for one touch access to hotel services ADA Handset Volume Boost Three (3) distinct levels, compliant with HAC VC and FCC requirements Raised Red Message Waiting Lens Easily seen from any area in the guestroom Message