Features Indoor Audio Intercom Full Duplex audio Group calling, AVC, AEC, HD voice, Indoor IP42, 90dB at 1 m (Open Duplex). POE powered, 6 x I/O, 12mA LED driver output. SIP, UL, Cisco Certified, Avaya Certified, NEC Certified -25° to 70° C (-13° to 158 ° F), 10W Amp This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.