2-Way SIP Speaker with Built in Microphone Full-duplex speakerphone HD acoustic chamber Advanced acoustic echo cancellation 3 directional mics with MMAD Microphone beam forming array Full-band & wide-band audio codec support with Opus & G.722 Dual band 802.11 a/b/g/n WiFi Bluetooth 10/100Mbps network port with PoE/ PoE+ 2-pin multi-purpose input to support peripherals wtih call buttons Network Interfaces - One 10/100 Mbps port with integrated PoE/PoE+ Bluetooth - Yes, integrated. Bluetooth 4.0 + EDR Wi-Fi - Yes, dual-band 2.4 & 5GHz with 802.11 a/b/g/n, WMM Auxiliary Port - One 2-pin multi-purpose input port, Reset Voice Codecs and Capabilities - G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.729A/B in-band and out-ofband DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS Telephony Features - SIP Paging, Multicast Paging, call-waiting with priority override HD Audio - Yes, HD speakerphone with support for full band audio with 48KHz voice sampling frequency Speaker and Microphones - 8W high-fidelity HD speaker; 3 directional microphones with beam-forming capability and up to 4.2-meter voice pickup distance QoS - Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS Multi-language - English, German, French, Spanish, Portuguese, Russian & Chinese Upgrade/Provisioning - Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using AES encrypted XML configuration file Power & Green Energy Efficiency - Integrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4 Temperature and Humidity - Operation: 0°C to 40°C Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing Package Content - GSC3510 SIP Intercom Speaker/Microphone, mounting kits, quick installation guide, GPL license Physical - Unit Dimensions: 215.32mm (diameter) x 68.7mm (depth) Unit Weight: 0.8kg, Box Weight: 1.39kg