That looks like a Qolsys 319.5Mhz Sensor. The sensor itself does not need to be reset in order to be learned into a new panel or reenrolled into a panel if it was deleted at one point.
Here is a programming guide for Qolsys with 319.5 sensors.
That looks like a Qolsys 319.5Mhz Sensor. The sensor itself does not need to be reset in order to be learned into a new panel or reenrolled into a panel if it was deleted at one point.
Here is a programming guide for Qolsys with 319.5 sensors.