Description

Grandstream GSC3505, full-duplex speaker with HD acoustic chamber advanced acoustic echo cancellation, 3 directional mics with MMAD & microphone beamforming array, Integrated dual-band 802.11 a/b/g/n WiFi and Bluetooth, one 10/100Mbps network port with PoE/ PoE+, 2-pin multi-purpose input to support peripherals including call buttons