By default, the module is in the "hexadecimal command" mode.
In sending order.
| Nb bytes | Name | Description |
|---|---|---|
| 1 | Frame type | - 01: Module configuration - 02: MAC layer testing - 03: NET layer testing - 04: Debug information - 05: Application data |
| 1 | Sequence number | Not enabled, fixed to 00. |
| 1 | Command type | Check command type table |
| 1 | Payload length | Up to 128 bytes |
| n (varying) | Payload | |
| 1 | Checksum |
| Frame type | Request code | Response code | Description |
|---|---|---|---|
| 01 Module configuration | 01 | 81 | Write configuration information request/response |
| 01 Module configuration | 02 | 82 | Read configuration information request/response |
| 01 Module configuration | 06 | 86 | Read version information request/response |
| 01 Module configuration | 07 | 87 | Module reset request/response |
| Frame type | Request code | Response code | Description |
|---|---|---|---|
| 04 Debug information | 01 | 81 | Write access control list request/response |
| 04 Debug information | 02 | 82 | Read access control list request/response |
| Frame type | Request code | Response code | Description |
|---|---|---|---|
| 05 Application data | 01 | 81 | Application data sending request/response |
| 05 Application data | - | 82 | Application data reception instructions |
| 05 Application data | 08 | 88 | Source route discovery request/response |
In sending order.
| Nb bytes | Name | Description |
|---|---|---|
| 2 | Configuration flag | A5 A5 |
| 1 | Channel | 0=431M, 1= 432M, 2=429M, 3=433M, 4=436M, 5=434M, 6=437M, 7 =435M |
| 1 | TX power | 0=20dBm, 1=17dBm, 2=15dBm, 3=13dBm, 4=11dBm, 5=9dBm, 6=7dBm, 7=5dBm |
| 1 | User mode | 0=hexadecimal, 1=transparent |
| 1 | Role | 0=slave, 1=master |
| 2 | Network flag | 0000 - FFFE (reverse MSB and LSB in the command) |
| 2 | Node flag | 0000 - FFFE (reverse MSB and LSB in the command) |
| 3 | Reserved | |
| 1 | Serial parameters | Check the serial parameters table |
| 1 | Bandwidth | 7 - 9 (Check the bandwidth and spread factor table) * |
| 1 | Spread factor | 7 - 12 (Check the bandwidth and spread factor table) * |
*The default signal bandwidth is 9, and the spreading factor is 9, which is equivalent to the over-the-air rate of 7.032kbps. It is recommended to use the default over-the-air rate, otherwise it will easily cause network instability.
| Bit (size) | Name | Description |
|---|---|---|
| 4 - 7 (4) | Baudrate | 1=1200, 2=2400, 3=4800, 4=9600 (default), 5=14400, 6=19200, 7=28800, 8=38400, 9=57600, 10=76800, 11=115200, 12=230400 |
| 3 (1) | Reserved | |
| 1 - 2 (2) | Parity bits | 0=no parity, 1=odd parity, 2=even parity |
| 0 (1) | Stop bits | 0=1-bit stop bit, 1=2-bit stop bit |
Over-the-air rate in kbps
| Spread factor \ Bandwidth | 7 | 8 | 9 |
|---|---|---|---|
| 7 | 5.47 | 10.94 | 21.88 |
| 8 | 3.125 | 6.25 | 12.5 |
| 9 | 1.758 | 3.516 | 7.032 |
| 10 | 0.977 | 1.954 | 3.908 |
| 11 | 0.537 | 1.074 | 2.148 |
| 12 | 0.293 | 0.586 | 1.172 |
Read configuration request: 01 00 02 00 03
Example result: 01 00 82 10 A5 A5 01 00 00 01 00 00 00 00 00 00 03 40 09 09 D0
In sending order.
| Nb bytes | Name | |
|---|---|---|
| 2 | Target address | FFFF-FFFE, FFFF is the broadcast address (MSB and LSB must be inverted when sending) |
| 1 | Application layer ACK request | - 00: Not using APS protocol - 01: Using APS protocol layer end-to-end Should not use when the application layer has a response from the application device on the opposite end. |
| 1 | Send radius | Max. number of hops for data forwarding. (Default is 7) |
| 1 | Discovery routing parameters | - 0: Disable route discovery - 1: Automatic route discovery - 2: Forced route discovery - 3: Use the source route |
| 1 | Number of relays N | (Exists only if "source route" is used) |
| 2*N | List of relays | (Exists only if "source route" is used) |
| 1 | Data length | |
| Varying | User data |