OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › How do I connect the RF transmitter? › Reply To: How do I connect the RF transmitter? May 21, 2017 at 2:27 pm #46347 RayKeymaster I don’t know. I don’t think SIP works with RF station. But since both firmwares are open-source, it should be possible to integrate the RF transmission code from OpenSprinkler firmware code to SIP.