With 7 inch touch-screen; When no one uses, it enters the sleep state automatically. With 2 hot-key, 1 is for designated partition and the other is for whole area; Users could do paging to any of the partitions via this; Support ambient
monitoring. Using DSP to process audio signal; the boost time is less than 1s. Support multiple network structure, such as router, switcher, Internet, 3G, 4G, etc.
Support remote on-demand broadcast. Support full duplex dialogue; with the module of echo cancelling; the delay is less than 300ms. Support the function of customized call transfer time, customized no one answering time and customized call waiting time. With 1 audio output for external power amplifier and 1 audio input for multiple audio sources. With fire signal receiver to trigger the whole system into programmable alarm mode.