E28-2G4M27S with SMD 15.0x26.5mm LoRa modules ROHS is a long-range, wireless communication module manufactured by Ebyte. It has a frequency range of 862-1020MHz, a power output of 27dBm, and the data rate can be up to 300kbps. It is based on Semtech SX1276/SX1278 with high sensitivity, long transmission distance and wide area coverage. The module also supports FSK/GFSK/MSK/OOK/LoRa modulation, supports frequency hopping, CRC for data integrity check, and provides robust anti-interference capability. It also supports P2P, star network and mesh network. It features low power consumption, wide operating temperature range, and is certified by FCC, CE, SRRC and MIC.