This page describes the HELLO command.

The HELLO command is good command to use to test if there is connectivity to a particular device. This is also commonly known as a ping test. When an RF module receives a HELLO command it will simply reply with HELLO.

Command: HELLO
Response: HELLO

Example:

python rf_config.py 03 HELLO
SENT     : 03HELLO
RECEIVED : 03HELLO----