[IC]：SI4438

[Frequency]：475~500.5MHz

[Power]：10~20dBm

[Distance]：2.5km

[Interface]：UART

[Weight]：6.7±0.1g

[Introduction]：E30-490T20D is a 20dBm wireless transceiver module. It operates at 475-500.5MHz, based on RFIC SI4463 from Silicon Labs, provides an easy way to use & low-power solution for wireless data transmission.