@Sthope
The sensor you linked is D025.
Both open and closed signals are sent only by D026 (they have multiple branding but the D026 product type is important). This is if you want to go RF way (for Z-wave/Zigbee products, which also send different codes, the prices are way higher).
https://www.aliexpress.com/item/2pcs-D026-Wireless-Door-Window-Sensor-Detector-with-Battery-For-KERU-GSM-PSTN-Alarm-Security-System/32631524338.html?
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