[Chip solution]：LLCC68

[Frequency]：410.125~493.125MHz

[Transmitter power]：30dBm

[Communication diatance]：10km

[Size]：25*40.5mm

[Product weight]：5.6g±0.1g

[Introduction]：E220-400T30S is a wireless serial port module (UART) based on SEMTECH's LLCC68, working at 410.125～493.125MHz（ default 433.125MHz）, TTL level output, compatible with 3.3V and 5V IO port voltage.