E220-900T30D UART LLCC68 868M 915M 30 10 2.4~62.5k DIP 24*43 New generation LoRa modulation technology E220-900T30S UART LLCC68 868M 915M 30 10 2.4~62.5k SMD 25*40.5 New generation LoRa modulation technology E220-900T22D UART LLCC68 868M 915M 22 5 2.4~62.5k DIP 21*36 New genera...