[IC]：SI4438

[Frequency]：475~500.5MHz

[Power]：10~20dBm

[Distance]：2.5km

[Interface]：UART

[Weight]：2.3±0.1g

[Introduction]：E30-490T20S is a SMD UART rf module with transparent transmission,operates at 475-500.5MHz,TTL level,WOR(Ultra-low power consumption).The module features FEC(Forward Error Correction)algorithm,which ensure its high coding efficiency & good correction performance.