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WELCOME
Thank you for purchasing Grandstream GSC3510/GSC3505 SIP Intercom speakers. The GSC3505 is a
one-way SIP Intercom Speaker and GSC3510 is a two-way full-duplex SIP intercom speaker/microphone,
both featuring one 100Mbps Ethernet port with PoE/PoE+, integrated dual-band 2.4G/5G Wi-Fi, integrated
Bluetooth, high fidelity 8W speaker and a multi-purpose input port supporting a wide range of peripherals,
3 directional microphones with Multichannel Microphone Array Design (MMAD) available for GSC3510 only.
Both GSC3505 and GSC3510 with their Hi-Fi speaker delivers full-band audio, while GSC3510 adds a
state-of-art microphone array with pickup distance up to 4.2 meters. The built-in whitelist and blacklist
features enable easy filtering of unwanted calls from the Internet. Its modern industrial design and rich
features make it ideal for classrooms, hospitals, apartments, dormitories and much more.