application

·Professional outdoor help network intercom terminal, designed for safe cities, large parks, safe campuses and other places, and can also be used for broadcasting and playing background music.

Functional features:

·The piano with an all metal shell is painted with lacquer technology. The shell is waterproof, sturdy and durable, with a unique and eye-catching design that is easy to identify.

·The device is designed using embedded computer technology and DSP audio processing technology; Using high-speed industrial grade chips, the startup time is less than 1 second.

·Built in 1 network hardware audio decoding module, supporting TCP/IP, UDP, IGMP (multicast) protocols, realizing networked transmission of 16 bit stereo CD sound quality audio signals.

·Equipped with one short-circuit input and one short-circuit output terminal; Short circuit input is suitable for signals in safe cities and other places, and short circuit output is used for data collection with alarm cameras; Short circuit output is suitable for safe city surveillance video linkage.

·Digital products, easy to expand, not limited by geographical location, no need to add data center management equipment, adopting the design concept of common network and no line construction, easy to install.

·Built in high-sensitivity microphone, supports hands-free calling, supports custom answering methods, wide sound collection area, and high tone reproduction.

·Built in monitoring function, supporting service level recording management, built-in auxiliary audio IO, perfectly integrated with monitoring system.

·Built in voice intercom module, supporting full duplex voice intercom and communication, paired with high-performance DSP sound processing, supporting digital echo cancellation and audio compression functions.

·The D-class digital amplifier is powered by an independent switch power supply and automatically enters a silent state when there is no broadcast or assistance.

·Supports DHCP, compatible with routers, switches, bridge gateways Modem、Intelnet、2G、3G、4G、 Any network structure such as multicast, unicast, etc

·Supports PSTN telephone broadcasting and SMS voice broadcasting.

·Support multiple call strategies, including call waiting, call forwarding, and no answer reminder.

·Support customization of transfer time, no answer time, and call waiting time.

·Support custom call targets, quick one click call, one click help, one click consultation, and one click alarm.

·Support preset quick program library playback and remote network triggered program playback.

·Support custom hanging up mode, optional active or passive hanging up mode.

·Support manual and automatic call forwarding functions, with the ability to set forwarding phone numbers.

·High protection level (IP55) design, made of alloy material and anti disassembly screws, and explosion-proof, waterproof, and needle proof.

·Built in one controllable power supply, used to drive alarm lights and other alarm devices.

·Equipped with a 5W high fidelity full range speaker, the call sound is clear and loud; Built in 10W digital fixed resistance power amplifier. Suitable for outdoor sound amplification needs.