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 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) 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 -