Only 3 In-Stock Remaining.
This relay card can be used in several ways : as a stand alone card addressed by switches or open collector outputs or remotely controlled through RS232. This card can also be remotely controlled using RF (radio frequency) signals by using the 8Channel RF Remote and a 455 MHZ receiver module. This card can also be addressed using RS232 commands so you may write custom applications in any programming language on any platform.