Ebyte E52-400NW22S LoRa MESH networking 433.125MHz spread spectrum Wireless serial port UART Self-routing network self-healing
E52-400NW22S LoRa MESH wireless module ad hoc network industrial grade self-routing network self-healing [Interface type]：UART serial port [Working frequency]： 410.125~509.125MHz [Transmit power]： 22dBm [Communication distance]：2.5km [Size]：20*14mm [Product weight]：1.2±0.1g [Introduction]：E52-400NW22S is a wireless serial port LoRa MESH networking module based on LoRa spread spectrum technology. The maximum output power is +22dBm, the maximum air rate can reach 62.5K, and the maximum supported baud rate is 460800 bps. The default working frequency band of this LoRa module is 433.125MHz. It adopts the new LoRa MESH networking technology and has the functions of decentralization, self-routing, network self-healing, and multi-level routing. It is suitable for smart homes and industrial sensors, wireless alarm security systems, and buildings. Automation solutions, smart agriculture and other application scenarios. Main parameters Performance Remarks Minimum value Maximum value voltage 0V 3.6V ≥3.3V can guarantee the output power. Exceeding 3.6V may burn the module. There is no LDO inside the module.It is recommended to connect an external 3.3V LDO Operating temperature -40℃ +85℃ Industrial grade design Working humidity 10% 90% - Storage temperature -40℃ +125℃ - Main parameters Performance Remarks Minimum value Typical value Maximum value Working voltage (V) 1.8 3.3 3.6 ≥3.3V can guarantee the output power. Exceeding 3.6V may burn the module. There is no LDO inside the module., it is recommended to connect an external 3.3V LDO Communication level (V) 3.3 It is recommended to add level conversion when using 5.0V TTL. Working temperature (℃) -40 - +85℃ Industrial grade design Working frequency band (MHz) 410.125 433.125 509.125 E52-400NW22S module working frequency band, supports ISM frequency band Power consumption Emission current (mA) - 128 - Instantaneous power consumption Working current (mA) - 14 - - Transmit power (dBm) -9 22 22 User configurable Over-the-air rate (bps) 7K 62.5K 62.5K Three air speed levels are available (62.5K, 21.875K, 7K) Receiving sensitivity (dBm) -121 -116 -111 Sensitivity corresponding to three air speeds Main parameters Description Remarks reference distance 2.5 Km In a clear and open environment, the antenna gain is 3.5dBi, the antenna height is 2.5 meters, and the air rate is 7Kbps. 2.0 Km In a clear and open environment, the antenna gain is 3.5dBi, the antenna height is 2.5 meters, and the air rate is 21.875Kbps. 1.6 Km In a clear and open environment, the antenna gain is 3.5dBi, the antenna height is 2.5 meters, and the air rate is 62.5Kbps. Subcontracting method 200 Btye The maximum capacity of a single package. It is prohibited to exceed the maximum capacity. Modulation LoRa - Communication Interface UART serial port 3.3V TTL level Packaging method SMD type - Dimensions 20*14mm ±0.1mm Antenna interface IPEX/stamp hole Characteristic impedance is about 50Ω weight 1.2g ±0.1g