[IC]:SI4438
[Frequency]:425~450.5MHz
[Power]:10~20dBm
[Distance]:2.5km
[Interface]:UART
[Weight]:2.0±0.1g
[Introduction]:E30-433T20S3 is a UART module based on Silicon Labs' SI4438. It features half-duplex with transparent transmission, SMD packing, TTL level output, WOR and 433MHz working frequency. This product has been mass-produced and can be used in a wide range of environments and industries.