[RC232] Are the RC1140 and RC1240 compatible No. They are not compatible. Last Update: August 8, 2017 July 7, 2017 2187 RC232 Q&A Related Knowledge Base Posts -[RC232] For EN 300 220, which “receiver category” (1, 1.5, 2 or 3) has been used for conformity assessment of RC1240?[RC232] Can I reset the slave RF Modules by Master by sending a command through RF?[RC232] “For a packet size of 24 Bytes, could you provide an estimate of the ‘on air’ time at data rates of 50 and 100 Kpbs. PilotAware is a co-operative broadcast system, and hence the minimum amount of time on the air is crucial. “