[RC232] We’d like one of the LED outputs to blink on radio transmission, and the other LED output to blink on radio receive. It appears they are currently unused? LED control is possible to include in a costumer specific variant. Last Update: August 8, 2017 December 13, 2016 1276 RC232 Q&A Related Knowledge Base Posts -[RC232] The label on the module reads RC1180 2009 17 2.10 is that a latest one?[RC232] Should RC1140 be better than RC1180for this application because attenuation on water will be lower a at 433 ?[RC232] Does your module (RC1780HP-RC232) have frequency hopping function?