Product Descriptions

E77-900M22S is based on ST's newly launched STM32WLE5CCU6 (ARM Cortex-M4 + LoRa) SoC wireless communication module. It has the characteristics of long communication distance, low standby power consumption, strong anti-interference ability, rich interface resources, strong processing ability and small size. . And suitable for 868/915MHz frequency band SMD LoRa wireless module, using industrial-grade high-precision 32.768KHz and 32MHz crystal oscillator. 

The E77-900M22S wireless communication module requires secondary development by the user, and can be widely used in the Internet of Things industry, especially suitable for the application development of LoRaWAN.

Product Features

 Under ideal conditions, the communication distance can reach 5.6km; 

 The maximum transmit power is 21.5dBm, and the software is multi-level adjustable; 

 Support global license-free ISM 868/915MHz frequency band; 

 New SF5~12SF spreading factor introduced to support dense network; 

 Support 1.8~3.6V power supply, and the best performance can be guaranteed if the power supply is greater than 3.3V; 

 The external crystal oscillator uses 32.768KHz, 32MHz high-precision industrial-grade crystal oscillator; 

 14.0*20.0*2.7mm small size SMD package, which is conducive to system integration development; 

 Industrial standard design, support long-term use at -40 ~ +85 ℃; 

 Dual antennas are optional (IPEX/stamp hole), which is convenient for users' secondary development and integration;

Product Applications

 Home security alarm and remote keyless entry; 

 Smart home and industrial sensors, etc.; 

 Wireless alarm security system; 

 Building automation solutions; 

 Wireless industrial grade remote control; 

 Advanced Meter Reading Architecture (AMI); 

 Automotive industry applications.

Product Specifications

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