LycoGear Easy Connect Adhesive Mount for Uniden R9 R8 R7 Radar Detectors | Compatible with R1 R3 R7 R8 R9 DFR6 DFR7 DFR8 DFR9 LRD Radar Detectors

You're missing about half of the mount. There are many options on Amazon. Get a new one. Suction cups don't last very long and always fall off. Adhesive mounts are much better. Amazon adhesive mount