GX-8011 is a versatile on-line AWACS early warning flood GSM / GPRS / PSTN public network and the traditional loudspeaker technology development, to achieve a variety of communication (phone, landline, SMS) technology and public address system in one of the working platform, with remote Instant telephone voice broadcasting PA, SMS to speech broadcast loudspeaker, microphone input and MP3 digital audio players and other functions, and its powerful features are widely used in flash floods and address disaster early warning, disaster relief command and communications, rural policy, science propaganda, forest fire safety, weather forecasting, rural daily work mandatory notification, * music broadcasting. Support Authorized GSM / GPRS / PSTN telephone remote broadcast capabilities; ※ 1 to 99 characters can be achieved over 500 characters or less turn voice broadcast; ※ support SMS forwarding broadcast voice broadcast, voice messages and can achieve a 99 times Repeat; ※ Posted SMS or phone broadcast both whitelist (less than 20) to set up and DTMF dual audio incoming password authentication; ※ source: a one-way local microphone input and a line input, at least two-way radio feature local amplifier output ; ※ device has an MP3 player and a local one-button alarm function; ※ With USB and SD card interface, enables automatic playback recordings stored warning; ※ device with FM radio (87 ~ 108MHz band) broadcast reception function, and remote settings Listen to the band; ※ Built-in monitor speaker equipment, to achieve indoor monitor early warning information; ※ support SIM card lock, remote setting is off; ※ warning message playback priority order: the manual alarm button, microphone, mobile, phone, text messaging, MP3 FM radio; ※ audio amplifier 100W, can also drive 2 * 50W or 4 * 25W tweeter horn speaker, with no voice status automatically enter power-saving mode; ※ using AC-DC dual power supply to achieve 220V AC power supply and built-in storage lead acid battery seamless automatic switching, built-in battery AC power outages can stand three days, more than 60 minutes continuously broadcast; external backup battery can achieve power triple insurance; 1 10 ※ with lightning, short circuit protection, grounding port; with moisture, mildew, insects, dust, etc. Process. ※ timing device has a self-test (flood at least once a day) to send Ping packets (including power supply, spare battery voltage, AC status, amplifier status, etc.) function, when an abnormality is detected after (charging device power, battery power failure or power amplifier disconnection, etc.) immediately to the warning alarm broadcast information management platform to support remote management platform set and query parameters; ※ Multiple protection features: Speaker impact, output overload, the input signal is too large, load short-circuit, KA lightning protection;