AN-301 is a one click SOS wireless alarm independently developed by Weichuan Technology. The product adopts LoRa RF technology and supports LoRaWAN ™ Protocol networking has the characteristics of simple networking, long-distance transmission, and low power consumption. When personnel confirm the occurrence of dangerous events such as terrorism, fire, explosion, trampling, etc., they manually press the red button to immediately trigger an alarm signal to the monitoring platform, making it easier for monitoring personnel to quickly take rescue measures. AN-301 one key alarm has a built-in high-capacity battery, no wiring required, simple construction, and reduces costs. Widely applicable to application scenarios such as schools, hospitals, banks, gas stations, residential areas, stations, and computer rooms.