E22Series products are the first in China to adoptSemtechCompany'sSX1262、SX1268Wireless module with RF chip,This chip provides multiple modulation modes,At the same timeSX126xRF Chip,Features two power distribution modes,LDO Regulator(LDO)And high efficiency step-downDC-DCConverter,In selectingDC-DCUnder the premise of mode,Receiving current is extremely low,Truly achieved low power consumption。