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E52-900NW22S LoRa spread spectrum technology wireless serial port LoRa MESH networking module
[Interface type]：UART serial port
[Working frequency]：850.125～929.125MHz
[Transmit power:]：22dBm
[Communication distance]：2.5km
[Size]：20*14mm
[Product weight]：1.2±0.1g
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 LDOCommunication 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) 850.125 868.125 929.125 E52-900NW22S 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 -