[RC232] Are the RC1140 and RC1240 compatible No. They are not compatible. Last Update: August 8, 2017 July 7, 2017 1859 RC232 Q&A Related Knowledge Base Posts -[RC232] “i have some questions for RC1701HP-RC232. Need the “tx” pin a levelshifter or driver-ic (our previous experience with RC1280 was a f—ing 100KR impedance!!!) ? Are on the “tx”, “rx” and “cts” pins resistors in series? Can I connect “tx”,”rx” and “cts” directly to a MCU (XMEGA @ 3,3V)? “[RC232] What do you mean by peer-to-peer communication ?[RC232] “We claim in our documentation 500-600 meters LOS. It looks like we are half of expected range What are your explanations regarding this performance difference; “