The GSC3500 Series allows offices. schools. hospitals. apartments and more to build powerful voice intercom solutions that expand security and communication. These devices offer 1 and 2-way voice functionality with HD speakers and multi-directional microphones with a 4.2 meter voice pickup distance.

The GSC3500 Series supports a wide-range of peripherals including Bluetooth devices. offers built-in whitelists. blacklists and greylists to easily block unwanted calls. provides integrated dual-band Wi-Fi and includes advanced acoustic echo cancellation.

By pairing the GSC device with other Grandstream products. such as our desktop and cordless IP phones. IP PBXs. Wi-Fi APs and facility access systems. users can easily build a customized communication and security solution. Thanks to its modern industrial design and rich features. the GSC3500 Series are the ideal intercom speaker/microphone and paging devices for any indoor environment.