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.