Grandstream GSC3506 One way SIP Interncom Speaker/ No Mic 30 Watt Speaker col2-pcams Mini DIN9 to mini DIN8

Mini DIN9 to mini DIN8 RS232 adapter cable

backward compatible with USB 2

life-like voice communications

Codec: G722

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Grandstream GSC3506 One way SIP Interncom Speaker/ No Mic 30 Watt Speaker col2-pcams Mini DIN9 to mini DIN8The GSC3506 is a 1 way public address SIP speaker that allows offices, schools, hospitals, apartments, and more to build powerful public address announcement solutions that expand security and communication. This robust SIP speaker offers crystal clear HD audio functionality with a high fidelity 30 Watt HD speaker. The GSC3506 support built in whitelists, blacklists, and greylists to easily block unwanted calls, SIP and multicast paging, group paging,