RF-Star 42UH, Manual, Page: 23 / 36

RF-83UP
www.szrfstar.com V1.3 - Jun., 2019
Shenzhen RF-star Technology Co., Ltd.
Page 22 of 35
7 Command Format
7.1 AT Command
The supported instruction list is as follows (all operations of the module are conducted at the current baud rate in normal
mode, wake-up mode, and sleep mode):
No. Command Format Description
1 AT_READ
Send "AT_READ" in ASCII format, the module returns the saved parameters.
For example: "AT_READ=00,31,1A,3C,40".
Supports the operation in normal mode, wake-up mode, and sleep mode.
2 AT_VER
Send "AT_VER" in ASCII format, the module will return the version number.
For example: "AT_VER=A3,01,10,14".
Supports normal mode, wake-up mode, and sleep mode.
3 AT_RSSI
Send "AT_RSSI" in ASCII format, the module returns "AT_RSSI=value (hex)".
For example: "AT_RSSI = 2F".
Supports the operation in normal mode, wake-up mode, and sleep mode.
4
“AT_SET=”
+ working parameters
Send “ (5 bytes working parameters)” in ASCII format, and the
parameters are saved after power off.
For example: "AT_SET=00,31,1A,3C,40".
Supports the operation in normal mode, wake-up mode, and sleep mode.
5
“AT_USET=”
+ working parameters
Send “A (5 bytes working parameters)” in ASCII format, and the
parameters are not be saved after power off.
For example: "AT_USET = 00,31,1A, 3C, 40".
Supports the operation in normal mode, wake-up mode, and sleep mode.
Note: Send AT_RSSI, return AT_RSSI=xx. Below the band of 525 MHz: Value = -157 + xx. Above the band of 779 MHz:
Value = -164 + xx.