[RC232] I would like to know how to use the pins N°27 and 28 on the RC2500HP Pin 27 and 28 must be left open. Last Update: August 8, 2017 December 20, 2016 2519 RC232 Q&A Related Knowledge Base Posts -[RC232] “Our company currently use the modules 1280HP of 500mW. We need to amplify more, is there the possibility of more than 500mW with an external amplifier? “[RC232] “We are currently evaluating your RF Modules RC1180-RC232 and RC1180HP- RC232. I stumpled upon two important questions: Are those two modules interchangeable? Can a RC1180 communicate with a RC1180HP and vice-versa? Are they pin- and software-compatible? “[RC232] What happens if message buffer of 128 bytes gets completely full?