Grandstream 2-Way SIP Intercom Speaker/Microphone with 15W Loudspeaker
GR-GSC3516
The GSC3516 is a SIP/Multicast Talk-Back Speaker that allows offices, schools, hospitals, apartments, and more to build powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way voice functionality with both a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) and 1 omnidirectional auxiliary microphone that offers a 4.2 meter pickup distance.
The GSC3516 supports a wide range of peripherals including Bluetooth devices, built-in whitelists, blacklists and greylists to easily block unwanted calls, integrated dual-band Wi-Fi, and advanced acoustic echo cancellation. By pairing the GSC3516 with other Grandstream devices, including desktop and cordless IP phones as well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security and voice intercom solution. Thanks to its modern industrial design, clean exterior surface, and rich features, the GSC3516 is the ideal intercom speaker/microphone for any setting.
Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation | | 
3 directional mics with MMAD & microphone beamforming array and 1 omnidirectional auxiliary microphone | | 
Full-band and wide-band audio codec support including Opus & G.722 |
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Integrated dual-band 802.11 a/b/g/n Wi-Fi and Bluetooth | | 
One 10/100Mbps network port with PoE/ PoE+ | | 
2-pin multi-purpose input to support peripherals including call buttons |
Features:
Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation
3 directional mics with MMAD & microphone beamforming array and 1 omnidirectional
auxiliary microphone
Full-band and wide-band audio codec support including Opus & G.722
Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi and Bluetooth
One 10/100Mbps network port with PoE/PoE+
2-pin multi-purpose input to support peripherals including call buttons
Specifications:
