[RC232] What type of modulation type in the RC1190-RC232? RC1190-RC232 use GFSK modulation. Last Update: August 8, 2017 December 13, 2016 2036 RC232 Q&A Related Knowledge Base Posts -[RC232] Should RC1140 be better than RC1180for this application because attenuation on water will be lower a at 433 ?[RC232] Are the modules full duplex ?[RC232] When there is message collision, will the CRC check fail? How do we enable CRC checking?