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Revision v0.1
If you have a CATWAN-USBStick, you have a tool capable of viewing the traffic between two or more LoRa radio nodes and also, the ability to monitor LoRaWAN data packets, which will help you in troubleshooting while developing your applications using LoRa technology.
Thus CATWAN-USBStick becomes a debugging tool, a probe at the hardware level, as is the logic analyzer, the oscilloscope and or the JTAG. Non-intrusiveness is the characteristic or quality of a debugger that allows the software/hardware system to function normally as if the debugger did not exist. In this way, device communications can be monitored without changing the software that performs the communications.
The CATWAN-USBStick has a LoRa RFM95 radio chip.
If we type help in the serial terminal we can see the commands that the LoRa Sniffer tool has:
Fw version: 0.2v Configuration commands: set_rx set_tx set_tx_hex set_tx_ascii set_chann set_freq set_sf set_bw set_cr Monitor commands: get_freq get_sf get_bw get_cr get_config ..help
input-> set_freq 903.9 set_sf 8 set_cr 5 set_rx output-> Frequency set to 903.90 MHz Spreading factor set to 8 CodingRate set to 4/5 LoRa radio receiving at 903.90 MHz
Received packet ' 19 bytes ' 401F80C0ED000305018BB696B5827DFEA36D33 ASCII: '@⸮&⸮⸮⸮⸮⸮}⸮⸮m3' with RSSI -81 Received packet ' 19 bytes ' 401F80C0ED00070501D8FF1D53C1976AAEEF71 ASCII: '@⸮&⸮⸮S⸮⸮j⸮⸮⸮q' with RSSI -122
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