[IC]：SX1278

[Frequency]：410~525MHz

[Power]：10~20dBm

[Distance]：3.0km

[Interface]：UART

[Weight]：2.1±0.1g

[Introduction]：E32-400T20S is a wireless serial port module developed by EBYTE for the wireless meter reading industry. LoRa spread spectrum solution, with air wake up function (low power consumption), factory default 470MHz meter reading frequency band, long subcontracting mode (197 bytes per package), can meet the application of the meter reading industry.