Features

• Supports three communication modes: wired network, 4G, and LoRa;
• Supports network communication functions;
• Supports collection and upload of equipment ambient temperature and humidity;
• Supports collection and upload of power supply voltage;
• Supports phone/SMS broadcast (supports setting of up to 300 characters and broadcast times; does not support speech rate and language setting);
• Supports platform text-to-speech broadcast;
• Supports acquisition of latitude and longitude positioning information, and uploads it to the platform via 4G network;
• Supports acquisition and reporting of equipment 4G and LoRa signal strength information;
• Supports OTA remote management and upgrade;
• Supports pre-set MP3 audio files for alarm announcement;
• Supports reporting of sensor connection status information and threshold-linked alarm;
• 1×RS485 interface, 1×RS232 interface for printing and debugging;
• 1×short-circuit input, 1×short-circuit output; 1×tri-color indicator light;
• Dual horn speaker for sound amplification.

Technical Specifications

• Operating Voltage: DC12V 10A
• Audio Amplifier SNR: ≥70dB
• Audio Amplifier Rated Power: 2×25W
• Audio Amplifier Rated Impedance: 4Ω
• Audio Amplifier Frequency Response: 300Hz–13KHz ±3dB
• Total Harmonic Distortion: ≤10% (1KHz)
• Audio Output Level: 1V (0dB)
• Operating Ambient Temperature: -20℃ ~ 65℃
• Operating Ambient Humidity: ≤90% RH (non-condensing)
• Product Dimensions: 510235420mm (LWH)
• Weight: 7.1kg