Available as a module or PCBA, the Tigo RSS transmitter is part of a module-level rapid shutdown solution when paired with Tigo TS4-AF/2F MLPE. The RSS transmitter links with multiple RSS transmitters, and it mitigates crosstalk with Tigo’s Pure Signal technology that syncs one coordinated keep-alive signal to multiple arrays. Each transmitter uses powerline communications (PLC) to send the keep-alive signal to MLPE via single or dual cores. Each core encircles up to 10 PV string conductors (negative or positive only).