Ebyte SI4438 UART 2.5Km Range 433MHz 22dBm SMD 16*26mm CE RoHs FCC LoRa Wireless Transmitter RF Module
[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.
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