[IC]：SI4463

[Frequency]：855～925MHz

[Power]：20dBm

[Distance]：2.5km

[Size]：20*14mm

[Introduction]：E30-900M20S is a hardware module (SPI) based on the SI4463 RF chip imported from Silicon Labs. It is a half-duplex, SMD integrated transceiver with transparent transmission available. With working frequency band 855-925MHz, transmitting power 100mW, it is suitable for a variety of environments.