E220-900T22D adopts a new generation of LoRa spread spectrum technology and a wireless serial port module (UART) designed based on the LLCC68 chip scheme. It has a variety of transmission methods, works in the (850.125~930.125MHz) frequency band (default 868.125MHz), TTL level output, compatible with 3.3V and 5V IO port voltage. | E220-900T22D adopts a new generation of LoRa spread spectrum technology, supports air wake-up, carrier monitoring, communication key and other functions, supports sub-package length setting, and Ebyte provides customized development services. | Application: Home security alarm and remote keyless entry; Smart home and industrial sensors; Wireless alarm security system; Building automation solutions; Wireless industrial-grade remote control; Advanced Meter Reading Architecture (AMI); Automotive industry applications. | Support LBT function, monitor the channel environment noise before sending, which greatly improves the communication success rate of the module in harsh environments; Support RSSI signal strength indicator function for evaluating signal quality, improving communication network, and ranging. | Support air wakeup, that is, ultra-low power consumption function, suitable for battery-powered applications; Support fixed-point transmission, broadcast transmission, channel monitoring; Support deep sleep, the power consumption of the whole machine is about 5uA in this mode.