E49-900M20S Ebyte Wireless Module 850~930MHz 20dBm 3km Iot Wireless data transmission module

[Introduction]：E49-900M20S is a cost-effective wireless data transmission module launched by Chengdu Ebyte.It is A pure hardware module based on CMT2300A.E49-900M20S Supports the maximum transmission power of 20dBm, users can set a lower output power,thus saving power consumption.The module works in the 850MHz ~ 930MHz frequency band, including the commonly used 868MHz and 915MHz frequency band.Since this module is a pure RF transceiver module, using SPI interface, needs MCU driver.