v1.3

1.Compatible with the newer version of the ASR6601 chip.
2.Fixed the DR2 downlink limit of AS923 frequency to 11 bytes when AT+DWELLT=1.
3.Added Lora wireless upgrade program with bootload.

v1.2

1.Add AT+RX1WTO, AT+RX2WTO, AT+DECRYPT, AT+DISFCNTCHECK, AT+DISMACANS commands.

v1.1

updata LA66 v1.1