[IC]：SI4438

[Frequency]：425~450.5MHz

[Power]：10~20dBm

[Distance]：10~20dBm

[Interface]：UART

[Weight]：2.3±0.1g

[Introduction]：This module features FEC(forward error correction) algorithm, and it can work at WOR (wake-up on radio), which is perfectly suitable for ultra-low power consumption applications. E30-433T20S can be compatible with other E30 modules.