[RC232] I do not have a programming connector, can I still upgrade the module with new firmware? No, we recommend to always include the programming connector just in case a firware upgrade would be necessary. Last Update: August 8, 2017 January 25, 2017 1325 RC11xx And RC12xx Hardware Q&A Related Knowledge Base Posts -[HW11XX;12XX] What is the difference between RC1180-TM and RC1181-TM?[HW11XX;12XX] Could you please confirm that RC1180(HP) are fully Pin-to-Pin compatible with RC2500(HP)? I mean – if you make a design for RC1180(HP) and then solder RC2500, will it work?[HW11XX;12XX] We have many production failures using RC1180HP module, what can be the problem?