Users Manual

RF1276D27 Long Distance Transceiver module V4.0
- 10 - 2016-6-12
Sync word ID code Header Command Length Data CRC End code
0xAF 0xAF 0x00 0x00 0XAF XX YY LEN XXXX CS 0X0D 0X0A
RF1276D27 Command Structure
Notes: 1. The ID code is 0x00 0x00 in command.
2. In command code, XX in sending command is 0x80 and in response command is 0x00. YY is the
command type. The work mode of
YY TYPE YY TYPE YY TYPE YY TYPE YY TYPE
0x01 write 0x02 read 0x03 standard 0x04 Central 0x05 Node
Command Type and Value
3. Length refers to the data bytes between Length byte and CRC byte which the two bytes are not
calculated in the length.
4. Data refers to the detailed parameters which need to be changed.
Baudrate Parity Frequency RF_Factor Mode RF_BW ID NetID Power
Parameter Sequence in Data Section
Parameter Unit Length(Byte) Decription